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OpenAdvisories
High · 7.8 CVE-2026-88074 EUVD-2026-99649GHSA-wmx3-76jv-ffj4

Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

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

Description

Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.

Affected products

VendorProductAffectedFixed
Microsoft Windows 11 version 23H2 10.0.22631.0 – < 10.0.22631.7652 10.0.22631.7652
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.9711 10.0.26100.9711
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.9711 10.0.26200.9711
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.3231 10.0.28000.3231
Microsoft Windows 11 Version 26H2 10.0.26300.0 – < 10.0.26300.9711 10.0.26300.9711

Advisories 2

References