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Kernel Privilege Escalation

The latest Kernel Privilege Escalation coverage — news, analysis, and updates from the WindowsNews.AI desk.

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Cve-2026-40369 · Kernel Privilege Escalation

Windows Kernel Driver Bug CVE-2026-40369 Allows SYSTEM Access in May Patch Tuesday

Microsoft's May 2026 Patch Tuesday, released on May 12, includes a fix for CVE-2026-40369, an Important-rated elevation of privilege vulnerability in the Windows kernel-mode driver with a CVSS score...

SESecurity Desk·10w ago
Security

Patch Now: CLFS Bug CVE-2026-32070 Grants SYSTEM Access, Adds HMAC Security

Microsoft's CVE-2026-32070 exposes a critical elevation of privilege vulnerability in the Common Log File System (CLFS) driver, one of Windows' most security-sensitive kernel components. This...

Security Desk·14w ago ·5 min
Security

CVE-2026-26176: Critical Windows csc.sys Privilege Escalation Vulnerability Requires Immediate Patching

Microsoft has disclosed a critical privilege escalation vulnerability in the Windows Client Side Caching driver that could allow attackers to gain SYSTEM-level access on affected systems....

Security Desk·14w ago ·5 min
Security

CVE-2026-26173: Microsoft's AFD.sys Kernel Vulnerability and Patch Urgency Explained

Microsoft has assigned a critical confidence metric to CVE-2026-26173, a kernel privilege escalation vulnerability in the AFD.sys driver affecting multiple Windows versions. This designation signals...

Security Desk·14w ago ·5 min
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Buffer Overflow · Cve-2025-30388

Critical Win32k.sys Heap Overflow (CVE-2025-30388): Exploit Analysis & Mitigation

In the shadowy corridors of Windows security, where kernel-level vulnerabilities represent the crown jewels for attackers, CVE-2025-30388 has emerged as a critical threat targeting the operating...

SE Security Desk·61w ago