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OpenAdvisories
High · 7.8 Exploitation more likely CVE-2026-50436 EUVD-2026-43938GHSA-r3m2-hccm-c492

Windows Kernel Elevation of Privilege Vulnerability

Published Jul 14, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Description

Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.

Affected products

VendorProductAffectedFixed
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.8875 10.0.26100.8875
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.8875 10.0.26200.8875
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.2525 10.0.28000.2525
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.33158 10.0.26100.33158
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.33158 10.0.26100.33158

Advisories 3

References