vulnerability disclosure
Anthropic expands Project Glasswing to 150 organizations in more than 15 countries
Anthropic is expanding Project Glasswing, its cybersecurity initiative built around the Claude Mythos Preview model, by adding about 150 organizations following several weeks …
Anthropic: Claude Mythos identified 10,000+ software flaws
Anthropic and its Project Glasswing partners have identified more than 10,000 high- or critical-severity vulnerabilities in critical software systems, the company announced in …
Microsoft Defender vulnerabilities exploited in the wild (CVE-2026-41091, CVE-2026-45498)
Attackers are exploiting two Microsoft Defender vulnerabilities (CVE-2026-41091 and CVE-2026-45498), Microsoft acknowledged and CISA confirmed by adding them to its Known …
Verizon DBIR: Vulnerability exploitation is the dominant initial access vector
Vulnerability exploitation has overtaken stolen credentials as the most common way attackers gain initial access to target networks, according to the 2026 Verizon Data Breach …
Microsoft provides mitigation for “YellowKey” BitLocker bypass flaw (CVE-2026-45585)
Microsoft is working on a fix for CVE-2026-45585 (aka “Yellowkey”), a vulnerability that can be used by attackers to bypass protections offered by BitLocker, the …
AI is drowning software maintainers in junk security reports
AI-assisted vulnerability research has exploded, unleashing a firehose of low-quality reports on overworked software maintainers who are wasting hours sifting through noise …
Microsoft’s agentic security system found four critical Windows RCE flaws
Microsoft responded to growing competition in AI security by announcing that its new agentic security system helped researchers discover 16 new vulnerabilities in the Windows …
Amazon Quick authorization bypass let users reach blocked AI chat agents
Enterprises running Amazon Quick, the AWS business intelligence and agentic AI service, rely on a feature called custom permissions to restrict who inside an account can use …
Linux developers weigh emergency “killswitch” for vulnerable kernel functions
Linux kernel developers are reviewing a proposal for an emergency risk mitigation mechanism (“Killswitch”) that would allow administrators to disable vulnerable …
Unpatched flaws turn Ollama’s auto-updater into a persistent RCE vector, researchers say
Researchers at Striga have disclosed two vulnerabilities (CVE-2026-42248, CVE-2026-42249) in Ollama’s Windows auto-updater that, when chained together, may allow an …
Meta and PortSwigger drive offensive security further to find what others miss
Meta Bug Bounty and PortSwigger have formed a partnership to help security researchers sharpen their skills, collaborate more closely, and improve vulnerability discovery. The …
Coordinated vulnerability disclosure is now an EU obligation, but cultural change takes time
In this Help Net Security interview, Nuno Rodrigues Carvalho, Head of Sector for Incident and Vulnerability Services at ENISA, discusses the recent CVE funding scare and what …
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