CVE-2026-72958: Windows Credential Guard Elevation of Privilege Vulnerability
Double free in Windows Credential Guard allows an authorized attacker to elevate privileges locally.
Other sources
Windows Credential Guard Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2954Patch KB5124012 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871
Event History
Frequently Asked Questions
Who is exposed to this vulnerability?
Systems running Microsoft Windows 11 or Microsoft Windows Server 2025 with Windows Credential Guard are identified as affected. Exploitation is local rather than network-based.
What does an attacker need to exploit it?
An attacker must already be authorized on the affected system and have high privileges. No user interaction is required.
What is the potential impact of successful exploitation?
Successful exploitation can allow local elevation of privilege and has high potential impact on confidentiality, integrity, and availability. The vulnerability is associated with a double-free condition in Windows Credential Guard.