MSRC-CVE-2026-113753 — Windows Hyper-V Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain Virtual Trust Level 1 (VTL1) privileges.

Security updates
10.0.28000.3501 — https://support.microsoft.com/help/5132059

Vulnerabilities 1

High 8.2

CVE-2026-113753

Windows Hyper-V Elevation of Privilege Vulnerability

Untrusted pointer dereference in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

Microsoft Windows 11 version 26H1 Windows

Nov 10, 2026

Revision history

2026-11-10 #1
Information published.

References

CVE-2026-113753 Windows Hyper-V Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-113753
Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
Common Vulnerability Scoring System
https://www.first.org/cvss