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OpenAdvisories
High · 7.0 CVE-2026-112989 EUVD-2026-121912GHSA-pg35-rh2c-585m

Windows Servicing Stack Updates Elevation of Privilege Vulnerability

Published Nov 10, 2026 · Updated Nov 13, 2026 · Assigned by microsoft

Description

Untrusted pointer dereference in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.

Affected products

VendorProductAffectedFixed
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.9974 10.0.26100.9974
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.9974 10.0.26200.9974
Microsoft Windows 11 Version 26H2 10.0.26300.0 – < 10.0.26300.9974 10.0.26300.9974
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.33822 10.0.26100.33822
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.33822 10.0.26100.33822

Advisories 2

References