Windows Kernel Vulnerability Allows Attackers to Modify Kernel Memory Counters

A critical Windows kernel vulnerability, tracked as CVE-2026-40369, has been disclosed, enabling attackers to achieve full SYSTEM-level privilege escalation even from the most restricted environments, including browser sandboxes. Discovered by security researcher Ori Nimron, the flaw affects Windows 11 versions 24H2 through 25H2 and resides in...

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