MSRC-CVE-2025-27728 — Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

Summary

Impact: Elevation of Privilege. Microsoft rating: Important. 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 SYSTEM privileges.

Security updates
10.0.26100.3775 — https://support.microsoft.com/help/5055523

Vulnerabilities 1

High 7.8

CVE-2025-27728

Windows Kernel-Mode Driver Elevation of Privilege Vulnerability

Out-of-bounds read in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.

Microsoft Windows Server 2025 Windows Server 2025 (Server Core installation) Windows 11 Version 24H2 Windows

Apr 8, 2025

Revision history

2025-04-08 #1
Information published.

References

CVE-2025-27728 Windows Kernel-Mode Driver Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27728
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