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Anthropic and OpenAI on Tuesday announced new models, with both artificial intelligence (AI) companies noting that they are continuing to invest in improving alignment to combat risky behavior. Opus 5.5, per Anthropic, is a "major step up from Opus 5," and "achieves the best scores of any model to date on our automated behavioral audit, our alignment suit...
The nine critical security defects could be exploited for arbitrary code execution and privilege escalation. The post Adobe Patches Critical Flaws in Connect, AEM Forms appeared first on SecurityWeek.
The cybercrime platform leveraged AI at every step of the attack chain, including writing social engineering messages and deciding targets. The post AI-Powered Phishing Platform EvilTokens Disrupted by Microsoft appeared first on SecurityWeek.
Microsoft warned that the September 2026 security updates may also break Always On VPN connections on some Windows 11 systems. [...]
A use-after-free in the Linux kernel's AF_UNIX socket subsystem can be used to escape a container and gain root on the host, security firm DepthFirst said in research published September 22. The flaw, tracked as CVE-2026-80521 (CVSS score: 7.8), was fixed upstream on August 6, but Ubuntu has not shipped the patch for its 26.04, 24.04, or 22.04 LTS release...
The browser update resolves several critical-severity memory safety and memory corruption flaws. The post Chrome 154 Patches 108 Vulnerabilities appeared first on SecurityWeek.
Debates over the plausibility of these doomsday scenarios have heated up since several executives endorsed slowing the technology’s development for safety reasons. The post A Look at AI Doomsday Scenarios That Researchers Say Could Put Humanity at Risk appeared first on SecurityWeek.
Emerging from stealth with $16 million in pre-seed funding, Outerlimit offers a decentralized authorization layer designed to discover, observe, and block harmful autonomous AI actions. The post Outerlimit Raises $16 Million to Stop Rogue AI Agents From Causing Harm appeared first on SecurityWeek.
Remote attackers could trigger the critical-severity flaw to access privileged internal functionality. The post Arista Urges Immediate Patching of Exploited VCO Zero-Day appeared first on SecurityWeek.
Attackers are exploiting a critical flaw in F5 BIG-IP Access Policy Manager (APM) that lets them run code on a BIG-IP system without logging in, F5 says. The flaw, CVE-2026-94127, affects only systems in which APM serves as an OAuth authorization server, issuing access tokens to applications. F5 disclosed it in an advisory on September 22 and has released...
A Chinese threat actor codenamed UTA0565 has been observed exploiting the recently disclosed Google Chrome-Microsoft Windows exploit chain as zero-days through fake websites. The attacks, detected on September 3 and 4, 2026, involved the chaining of two vulnerabilities in Chrome (CVE-2026-85046, CVE-2026-87491) and one impacting Windows Advanced Local Pro...
An Armenian man was sentenced to 24 months in prison and 3 years of supervised release for hacking U.S. companies and encrypting their systems in Ryuk ransomware attacks. [...]
Unauthenticated attackers could send malicious traffic to BIG-IP to achieve remote code execution. The post Critical F5 BIG-IP Vulnerability Exploited as Zero-Day appeared first on SecurityWeek.
F5 has released security updates to address a critical BIG-IP APM zero-day vulnerability being exploited in remote code execution attacks. [...]
The cybercrime group is unhappy with its description in an FBI report and threatens to leak stolen information. The post ShinyHunters Claims FBI Hack, Demands Retraction of Threat Report appeared first on SecurityWeek.
A new security vulnerability in Next.js could allow attackers to run code on a server via ImageResponse, the feature that generates Open Graph and other social preview images, Vercel said. The risk applies when an app puts values an attacker controls, such as text read from the request URL, into the image. Vercel, which develops Next.js, fixed the flaw on...
The critical-severity flaw could allow unauthenticated attackers to upload and execute arbitrary scripts. The post Check Point Patches Exploited Management Server Zero-Day appeared first on SecurityWeek.
The cyber extortion group known as ShinyHunters on Tuesday claimed it had breached the U.S. Federal Bureau of Investigation and stolen data belonging to current and former employees at the agency. "We have compromised the FBI. We hold very sensitive data on almost ALL FBI Agents and individuals who filed an application with the FBI for a job," the group s...
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