Skip to content
OpenAdvisories
Medium · 5.5 Exploitation more likely CVE-2026-83501 EUVD-2026-73920GHSA-qx8h-q38g-hp48

Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability

Published Sep 8, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Description

Out-of-bounds read in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.

Affected products

VendorProductAffectedFixed
Microsoft Windows 11 version 23H2 10.0.22631.0 – < 10.0.22631.7582 10.0.22631.7582
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.9445 10.0.26100.9445
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.9445 10.0.26200.9445
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.2954 10.0.28000.2954
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.33438 10.0.26100.33438
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.33438 10.0.26100.33438

Advisories 2

References