As of Tuesday, July 21, 2026, the AI cybersecurity threat landscape is showing elevated activity across 144 tracked stories. The dominant themes today are Vulnerabilities & CVEs (49 stories), AI & LLM Threats (39 stories), and Data Breaches (17 stories). AI and LLM-based threats are particularly active with 39 stories covering topics such as prompt injection, model exploitation, deepfake campaigns, and AI-assisted attack tooling. 19 CVEs are being tracked across today's stories, including CVE-2026-50522, CVE-2026-0257, CVE-2026-15409, CVE-2026-15410 and 15 more. Each CVE badge below links directly to the NVD advisory. ⚠️ 30 stories involve critical severity, active exploitation, or zero-day conditions. Security teams should prioritize review of flagged items and verify patch status immediately.
The cybersecurity-focused models, including GPT-5.6 Sol, broke out of a testing sandbox, exploited a zero-day, and gained access to the open internet to pull off the attack.
Critical SharePoint RCE vulnerability CVE-2026-50522 is under active exploitation after the release of a PoC exploit code. A critical Microsoft SharePoint vulnerability, tracked as CVE-2026-50522 (CVSS score of 9.8), is being actively exploited following the…
Zimbra patched nine flaws in version 10.1.20, including a critical SNMP monitoring command injection issue enabling arbitrary command execution. Zimbra released version 10.1.20 to fix nine security vulnerabilities, including a critical command injection flaw…
New executive order calls for end-to-end visibility into defense supply chains, including software dependencies, foreign ownership and cyber-related supplier risks. The post Trump Orders Defense Contractors to Map Software, Suppliers Across Critical Supply…
The open-weight Antares models are designed to pinpoint known vulnerabilities in codebases faster and at a fraction of the cost of larger AI models. The post Cisco Launches Low-Cost AI Models for Source Code Security appeared first on SecurityWeek .
The Agencia Española de Protección de Datos (AEPD) announced the fine on Friday, saying in its decision that more than 2,600 Spaniards were impacted by a breach affecting 6.9 million people worldwide.
A new type of malware can worm deep into AI coding systems to steal data and logins—and can flip a “death switch” to destroy files and keep out real users.
Qilin ransomware exploits the PAN-OS GlobalProtect flaw CVE-2026-0257 to gain unauthorized VPN access to unpatched networks. Arctic Wolf researchers warn that the Qilin ransomware gang is exploiting the critical PAN-OS GlobalProtect vulnerability…
Hidden text on a web page was enough to make Kiro, AWS's agentic coding IDE, rewrite its own configuration file and run an attacker's code on a developer's machine, with no approval step able to stop it. Intezer, in research with Kodem Security, found that a…
Google's DeepMind on Tuesday announced the release of Gemini 3.5 Flash Cyber, a specialized artificial intelligence (AI) model built atop 3.5 Flash that's designed to discover, validate, and patch vulnerabilities quickly and efficiently. According to the tech…
A third SharePoint Server flaw patched by Microsoft as part of its Patch Tuesday update for July 2026 has come under active exploitation, per watchTowr. The vulnerability in question is CVE-2026-50522 (CVSS score: 9.8), a critical deserialization of untrusted…
Roughly 7,600 malicious GitHub repositories were uncovered, more than 800 of them posing as AI Skills or Model Context Protocol (MCP) servers, in a wave that peaked in April 2026, according to Island. The scale of the FakeGit operation (Source: Island) The…
Teleport has expanded its Identity Security platform with three new capabilities designed to ensure that agent behavior remains within defined boundaries: Beams Session Summaries, Agentic Classifiers, and Risk Scoring. They give enterprises a foundational…
Threat actors have been observed exploiting a now-patched high-severity Palo Alto Networks PAN-OS vulnerability as an entry point to deploy Qilin (aka Agenda) ransomware on victim environments. Arctic Wolf Labs said it investigated multiple intrusions in June…
Russian-speaking actor Trim built a commercial offensive AI pentest tool on jailbroken Claude models
JadePuffer, the threat actor behind the recently documented extortion operation executed end-to-end by an AI agent, is now attempting to leverage ENCFORGE, novel ransomware created to target AI and machine learning (ML) infrastructure. The extortion contact…
The speed of 5G and 4G networks across much of Taiwan will be temporarily reduced to 1 percent of capacity as the island holds annual civilian and military exercises.
Druva has announced Druva AI Resilience, a new approach that helps organizations recover, govern, and defend the systems, activity, and context behind AI-powered work. The launch introduces new and expanded capabilities for Microsoft Copilot, Claude Code,…
Zimbra has rolled out fixes to address multiple critical security issues, including a command injection flaw in the Simple Network Management Protocol (SNMP) monitoring component. As many as nine security vulnerabilities have been patched in Zimbra 10.1.20.…
A security analyst opens an unfamiliar repository, pulls up a vulnerability advisory, and starts hunting for the file where the weakness lives. The naming conventions belong to someone else. Evidence sits in scattered corners of a codebase that runs to…
Analysis by Black Kite warns that ransomware ecosystem is becoming bigger and more fragmented
FBI warned of deepfake videos of IC3 leadership directing users to spoofed complaint sites
An Android app that can draw over other windows and write to shared storage can slip instructions to the AI agent driving that phone, in text no human eye will ever see. Two more steps, and the same app is running commands on the PC driving the agent.…
Part of a larger toolkit, HollowGraph uses a compromised 365 account’s calendar as a two-way dead-drop. The post New HollowGraph Malware Abuses Microsoft 365 Calendar for C&C Communication appeared first on SecurityWeek .
Hackers exfiltrated personal, financial, and health information from the company’s Oracle EBS instance in August 2025. The post Estée Lauder Discloses Impact From Oracle EBS Zero-Day Hack appeared first on SecurityWeek .
Two recently disclosed SonicWall SMA 1000 vulnerabilities – CVE-2026-15409 and CVE-2026-15410 – were exploited in zero-day attacks for weeks, allowing threat actors to install custom malware on vulnerable VPN appliances, Volexity researchers revealed. The…
Scammers are impersonating FBI personnel who supposedly handle Internet Crime Complaint Center (IC3) complaints, using that disguise to deceive and revictimize people who already lost money once. The IC3 published the update on July 20, 2026, building on an…
Craneware, a provider of financial software for US healthcare organizations, has disclosed a cyber incident involving unauthorized access and data theft
In a new campaign, North Korean hacking group Famous Chollima targeted crypto professionals through ClickFix lures to deliver Windows and macOS trojans
Amazon GuardDuty investigation agent is now in public preview. The feature provides AI-powered investigations of GuardDuty findings, AWS accounts and AWS organizations, helping security teams reduce investigation time. During the public preview, the…
Cosmetics company Estée Lauder disclosed a data breach tied to a vulnerability in Oracle E-Business Suite (EBS) used for the company’s human resources operations. Estée Lauder is one of the largest beauty companies in the world, known for its prestige…
The ServiceNow AI platform vulnerability tracked as CVE-2026-6875 can be exploited for remote code execution. The post Exploitation of ServiceNow Vulnerability Seen Days After Disclosure appeared first on SecurityWeek .
Researchers at Sysdig have linked a second attack on the same Langflow server to JADEPUFFER, the AI-agent-driven operator it first documented earlier this month. The same operator has now been spotted deploying ENCFORGE, a new compiled Go ransomware designed…
Threat actors are now exploiting a recently disclosed critical security flaw impacting ServiceNow AI Platform, according to Defused Cyber. In a post shared on X, the threat intelligence firm said it's observing in-the-wild exploitation of CVE-2026-6875 (CVSS…
Attackers are exploiting critical ServiceNow flaw CVE-2026-6875, allowing unauthenticated remote code execution on self-hosted instances. Searchlight Cyber researchers disclosed a critical pre-authentication remote code execution vulnerability, tracked as…
Last week, Searchlight Cyber released details about a vulnerability they are calling "wp2shell". The vulnerability was initially announced without a CVE number. But now has been assigned CVE-2026-63030. Many WordPress plugin vulnerabilities are never assigned…
Cybersecurity researchers have discovered nearly 7,600 malicious GitHub repositories, out of which more than 800 pose as artificial intelligence (AI) skills or Model Context Protocol (MCP) servers to deliver a malware family known as SmartLoader as part of an…
A malware operator left its delivery server wide open, and Rapid7 pulled down the whole toolkit: 1,048 files spanning lure templates, filename-spoofing tests, execution experiments, droppers, builder notes, and two campaign chains. One was already live…
JadePuffer follow-up campaign deployed ENCFORGE locker built to destroy AI model artifacts
A researcher who discovered a critical vulnerability in WordPress has used OpenAI’s latest model to develop an exploit chain
A single request should not be able to do this much. But this week, small inputs led to code execution, memory loss, stolen keys, and disabled security tools. The paths were often simple: exposed systems, weak checks, old drivers, fake prompts, and public…
The industry spent the initial months after Anthropic's April 7 Mythos reveal focused on volume. How many new CVEs would Mythos add to an already overloaded pipeline? How quickly would the flood of AI-driven discovery overwhelm triage capabilities? How long…
A solo Russian-speaking threat actor known as "bandcampro" outsourced a chunk of their operations to Google's open-source Gemini CLI artificial intelligence (AI) and commandeered a live botnet. The findings come from an analysis of 200 Gemini CLI session logs…
Hugging Face says an autonomous AI agent breached part of its production infrastructure and accessed internal data and service credentials. Hugging Face is one of the world’s leading open-source AI companies. It provides a platform where developers and…
In an ironic twist, open-source artificial intelligence (AI) platform Hugging Face revealed that it was the victim of a hack perpetrated by an autonomous AI agent system. The company said it detected and responded to the incident targeting its production…
Plus: Russian cyberspies turn to infrastructure hacking, DHS repeatedly fails to realize it’d been hacked, a breach exposes an AI music generator’s scraping ways, and more.
“Context bombing” tricks malicious AI agents into shutting down before they can do harm.
A Go botnet called NadMesh turned up in early July hunting exposed AI services, and the operator's own dashboard claims 3,811 unique AWS keys. A Shodan harvester keeps the scan queue stocked with ComfyUI, Ollama, n8n, Open WebUI, Langflow, and Gradio: the…
The European Commission on Thursday ordered Google to give rival AI assistants the same reach into Android that Gemini already has: the camera, the microphone, whatever is on screen, a wake word that fires with the display off, and the ability to drive other…
The City Attorney’s Office sent the tech giants cease-and-desist letters this week telling them to stop profiting from 13 “face-swap” apps that are overwhelmingly used to target women and girls.
Cybersecurity researchers tested Open AI GPT 5.5’s offensive cyber capabilities – and the results showed how effective a frontier LLM can be for hackers
Ask an AI agent to summarize the reviews on a product page, and a single planted review can make it click "Buy Now" instead. Ask a coding assistant to apply a maintainer's fix from a GitHub thread, and a fake comment can make it run a stranger's command on…
Artificial intelligence (AI) is changing offensive security, but it has not changed the standard that matters most: a finding has to be proven before it becomes useful. AI-assisted tools can read code quickly, generate payloads, summarize attack surfaces,…
SANS Institute says governance programs are still nascent even as AI failures and threats grow
The White House announced Gold Eagle to help accelerate the discovery, prioritization and patching of flaws found by AI
OpenAI has disclosed details of GPT-Red, an internal automated red-teaming model that scales prompt injection vulnerability discovery with an aim to fix issues before the tools are deployed widely. "GPT‑Red is a strong red-teamer, and our previous models are…
Cybersecurity researchers have disclosed details of a previously unreported Internet-of-Things (IoT) botnet framework dubbed TuxBot v3 Evolution that shows signs of being developed with assistance from a large language model (LLM), albeit with not so…
Microsoft released fixes for a record 570 CVEs in its July Patch Tuesday update, as experts warn AI is dramatically accelerating vulnerability discovery and increasing patch volumes
Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last…
This patch Tuesday includes a staggering&#;x26;#;xc2;&#;x26;#;xa0;622 vulnerabilities, not including another 427 vulnerabilities in Chromium, affecting Microsoft&#;x26;#;39;s…
The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before…
Plus: The Pentagon is training amateurs to become part of its hacker army, a Flock license plate reader error led to cops surrounding a car reviewer, and more.
Researchers at the AI Now Institute developed a proof-of-concept exploit showing common AI tools used for security could backfire
Microsoft has said the volume of Windows security updates is set to grow as it uses AI to find new bugs
Wiz discovered GhostApproval, a symlink flaw in six major AI coding assistants that bypasses approval
Over 70 cybersecurity organizations have signed the CREST AI Charter detailing responsible use of AI for security
Cybersecurity researchers at ESET identify big rise in suspicious and malicious toolsets which put users at risk from cyber-attacks
<p>Russian Government-Sponsored Activity Targets Poorly Configured and Vulnerable Devices Across Critical Sectors</p> <h2><strong>Executive summary</strong></h2> <p>Russian Federal Security Service (FSB) Center 16 cyber actors continue to exploit poorly…
A cybersecurity startup dangling millions of dollars to acquire zero-day security vulnerabilities in popular software is run by a pair of far-right conspiracy theorists and convicted felons whose most recent ventures included fake intelligence companies and a…
Sygnia report details how agentic AI accelerated weeks-long attack to just 72 hours
The National Cyber Security Centre wants to work with AI partners to build a new “Cyber Shield” to defend the UK
Zscaler found sites hiding prompt-injection text to manipulate AI agents into crypto payments
The Office of Professional Responsibility has opened more than 100 cases over what ICE officials call “incidents of doxing and threats” against ICE employees.
IWF and NCA warn that growing numbers of images and videos are being manipulated into sexual abuse material
Researchers have revealed JadePuffer, the first agentic AI-powered ransomware campaign, highlighting how autonomous agents can automate cyber-attacks
The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technologies [NASDAQ:…
The new classifier in Fable 5 blocks the jailbreak technique that prompted the US export controls “in over 99% of cases”
A researcher found that using Anthropic’s Claude Opus 4.7, he could break into the website of Front Gate—used by every festival from Lollapalooza to Bonnaroo—and freely issue any ticket he chose.
Hundreds of contractors working on a project for Meta pretended to be kids in order to see how other chatbots like Gemini and ChatGPT would respond to high-risk subjects, WIRED found.
OpenAI is previewing its GPT-5.6 Sol model to a vetted few at the US government's request
Experts warn the Jaguar Land Rover breach bears hallmarks of Kremlin-backed hackers, citing novel ransomware, strategic timing and efforts to obscure attribution
Cobalt study finds 20-percentage-point drop in number of organizations relying solely on AI automation for testing
LayerX tricked AI browsers including ChatGPT Atlas and Comet into bypassing their guardrails
SentinelLabs found a North Korea-linked macOS backdoor using prompt injection on AI triage tools
New ReliaQuest study reveals the six ways AI is practically being used in attacks today
OpenAI expanded Daybreak with a full GPT-5.5-Cyber release to help defenders patch software flaws
The Five Eyes Alliance has published a rare call to action for organizations facing AI threats
North Korean threat actor Sapphire Sleet has been linked to a supply chain attack targeting Mastra, according to Microsoft security researchers
Working with frontier AI models, this new platform aims to help discovering, prioritizing, validating and remediating code vulnerabilities
A Rust crypto clipper hides behind fake GitHub stars and AI-narrated YouTube videos
Analysis of chatter on underground forums by Sophos finds that hackers fear AI could take work away from them
Nisos infiltrated a North Korean IT-worker fraud cell running on AI interviews and a US laptop farm
The rise of AI-assistants and applications in the enterprise has seen a 93% increase in employees attempting to upload sensitive data, bringing security challenges
Filigran survey at Infosecurity Europe 2026 reveals AI-powered attacks as the top concern, with false positives, alert fatigue and manual processes draining security teams
SANS Institute study finds few SOCs have built AI into defined workflows, despite widespread adoption
Athena is a new an industry coalition to fix the vulnerabilities frontier AI models find before attackers can exploit them
Access to two Anthropic large language models, Mythos 5 and Fable 5, has effectively been banned to any non-US nationals by the Trump administration
Government departments find hundreds of vulnerabilities after testing frontier models
Fake AI guides hide a multi-stage chain that drops AsyncRAT, with signs of AI-assisted coding
Organizations are aware of the challenges that new technologies like AI bring: but cybersecurity staff struggle to make time for the required training during working hours
Tenet Security researchers reveal how new “agentjacking” attacks could trick coding agents into executing arbitrary code
Anthropic unveils Claude Mythos 5 and Fable 5, a restricted-access frontier AI model and guardrailed version for everyone to use
Most dev teams use AI coding assistants but only 30% have full governance in place
OpenAI brings Lockdown Mode and Active Sessions to ChatGPT to curb prompt injection data theft
At Infosecurity Europe 2026, OWASP’s Ariel Fogel warned that prompt injection remains an “unresolved problem” within generative AI architecture
Meta confirms an AI tool vulnerability led to unauthorized access to Instagram accounts after a failure in email verification during password reset
Lloyds Banking Group shared its approach for securing agentic AI workflows, with a mix of hands on experimentation and cross functional governance
The OWASP agentic AI security framework helps organizations assess governance maturity vs adoption and adjust governance as needed
Ox Security field CTO, Boaz Barzel, makes the case for vibe security to tackle AI agent coding risks
Microsoft Detection and Response Team (DART) details how it has uncovered malicious AI applications as cyber criminals manipulate organizations adopting AI tools
A Bugcrowd researcher has unveiled ExploitBench, an independent benchmark of AI models for vulnerability exploitation
Proton uses machine learning models to detect abuse of its services – especially email addresses used by cybercriminals
Inaugural Infosecurity Europe Cyber Startup Award Winner Impresses Panel with Ability Help Prioritize Vulnerabilities in AI era
Trump's executive order invites voluntary pre-release review of frontier AI models
Anthropic widens Project Glasswing access to 150 more firms as patching becomes the bottleneck
The emergence of AI models capable to autonomously find and fix vulnerabilities at scale is having a significant impact on patching management, experts say
Halcyon’s Cynthia Kaiser lifts the lid on the dark web market for AI cybercrime tools
Humans still need to be part of cyber defense, but refusing to deploy AI is no longer optional against AI-enhanced cyber threats, warns Dataminr’s Joe Slowik
Bayer’s security awareness training now focuses on psychological approaches rather than technical methods for detecting social engineering
A threat actor used AI coding tools to build and test EDR evasion malware, Sophos finds
UK organizations are prioritizing AI-driven cybersecurity as 43% cite AI-powered attacks as their top risk, prompting significant investment in advanced threat defense
The Instagram accounts for the Obama White House and the Chief Master Sergeant of the U.S. Space Force were briefly defaced with pro-Iranian images and messages over the weekend, after instructions began circulating on Telegram showing how to trick Meta's "AI…
Top cybersecurity vendors said AI won't replace entry-level – only routine ticket-taking and triage
Push Security says threat actors are delivering malware hosted on chatgpt.com/s/ domain
OWASP’s new Agentic Research Council will aim to connect academic work to operational realities on agentic AI security
Sloppy AI-generated npm infostealer leaked its own GitHub token, exposing the operator
GCHQ director urges urgent business cyber action as AI and quantum reshape the threat
UK firms plan higher cyber spending as AI adoption raises security concerns
CERT-In urges 12-hour patching of exposed flaws as AI compresses exploitation timelines
The infostealer payload in this campaign collect a vast amount of data, from collaboration authentication keys to cryptocurrency wallets
AI risks threaten to permeate supply chains through unvetted code and unaudited suppliers
AI-powered vulnerability scanning leaves no excuse for unpatched bugs as the EU Cyber Resilience Act pushes firms toward secure-by-design software
Digital.ai data reveals 87% of apps were attacked over the past year
The UK’s National Cyber Security Centre is helping organizations to understand agentic AI security risks
The UK’s financial authorities have set expectations for the sector on cybersecurity and operational resilience
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<h2><strong>Advisory at a Glance</strong></h2> <table> <tbody> <tr> <th>Title</th> <td>Iranian-Affiliated Cyber Actors Exploit Programmable Logic Controllers Across US Critical Infrastructure</td> </tr> <tr> <th>Original Publication</th> <td>April 7,…
<h2><strong>Summary</strong></h2> <p><strong>Note:</strong> This joint Cybersecurity Advisory is being published as an addition to the Cybersecurity and Infrastructure Security Agency (CISA) May 6, 2025, joint fact sheet <a…
<h2><strong>Executive summary</strong></h2> <p>People’s Republic of China (PRC) state-sponsored cyber threat actors are targeting networks globally, including, but not limited to, telecommunications, government, transportation, lodging, and military…
<h2><strong>Executive Summary</strong></h2> <p>This joint cybersecurity advisory (CSA) highlights a Russian state-sponsored cyber campaign targeting Western logistics entities and technology companies. This includes those involved in the coordination,…
2.5 million people were affected, in a breach that could spell more trouble down the line.
Researchers uncover a watering hole attack likely carried out by APT TA423, which attempts to plant the ScanBox JavaScript-based reconnaissance tool.
Over 130 companies tangled in sprawling phishing campaign that spoofed a multi-factor authentication system.