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Windows Zero-Days Expose BitLocker Bypasses And CTFMON Privilege Escalation

An anonymous cybersecurity researcher who disclosed three Microsoft Defender vulnerabilities has returned with two more zero-days involving a BitLocker bypass and a privilege escalation impacting Windows Collaborative Translation Framework (CTFMON). The security defects have been codenamed YellowKey and GreenPlasma, respectively, by the researcher, who goes by the online aliases Chaotic Eclipse Posted from: Click here for the full article .
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New Fragnesia Linux Kernel LPE Grants Root Access via Page Cache Corruption

Details have emerged about a new variant of the recent Dirty Frag Linux local privilege escalation (LPE) vulnerability that allows local attackers to gain root access, making it the third such bug to be identified in the kernel within a span of two weeks. Codenamed Fragnesia, the security vulnerability is tracked as CVE-2026-46300 (CVSS score: 7.8) and is rooted in the Linux kernel's XFRM Posted from: Click here for the full article .
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18-Year-Old NGINX Rewrite Module Flaw Enables Unauthenticated RCE

Cybersecurity researchers have disclosed multiple security vulnerabilities impacting NGINX Plus and NGINX Open, including a critical flaw that remained undetected for 18 years. The vulnerability, discovered by depthfirst, is a heap buffer overflow issue impacting ngx_http_rewrite_module (CVE-2026-42945, CVSS v4 score: 9.2) that could allow an attacker to achieve remote code execution or cause a Posted from: Click here for the full article .
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Microsoft's MDASH AI System Finds 16 Windows Flaws Fixed in Patch Tuesday

Microsoft has unveiled a new multi-model artificial intelligence (AI)-driven system called MDASH to facilitate vulnerability discovery and remediation at scale, adding that it's being tested by some customers as part of a limited private preview. MDASH, short for multi-model agentic scanning harness, is designed as a model-agnostic system that uses bespoke AI agents for different vulnerability Posted from: Click here for the full article .
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Microsoft Patches 138 Vulnerabilities, Including DNS and Netlogon RCE Flaws

Microsoft on Tuesday released patches for 138 security vulnerabilities spanning its product portfolio, although none of them have been listed as publicly known or under active attack. Of the 138 flaws, 30 are rated Critical, 104 are rated Important, three are rated Moderate, and one is rated Low in severity. As many as 61 vulnerabilities are classified as privilege escalation bugs, followed by Posted from: Click here for the full article .
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New Exim BDAT Vulnerability Exposes GnuTLS Builds to Potential Code Execution

Exim has released security updates to address a severe security issue affecting certain configurations that could enable memory corruption and potential code execution. Exim is an open-source Mail Transfer Agent (MTA) designed for Unix-like systems to receive, route, and deliver email. The vulnerability, tracked as CVE-2026-45185, aka Dead.Letter, has been described as a use-after-free Posted from: Click here for the full article .
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RubyGems Suspends New Signups After Hundreds of Malicious Packages Are Uploaded

RubyGems, the standard package manager for the Ruby programming language, has temporarily paused account sign ups following what has been described as a "major malicious attack." "We're dealing with a major malicious attack on Ruby Gems right now," Maciej Mensfeld, senior product manager for software supply chain security at Mend.io, said in a post on X. "Signups are paused for the time being. Posted from: Click here for the full article .
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