CVE-2026-54132: Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an unauthorized attacker to elevate privileges with a physical attack.
Other sources
Windows Kernel 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 10.0.14393.9339Patch KB5099535 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9020Patch KB5099538
Event History
Frequently Asked Questions
What is the severity of CVE-2026-54132?
The severity of CVE-2026-54132 is rated as medium with a score of 6.8.
How does CVE-2026-54132 impact affected systems?
CVE-2026-54132 allows an unauthorized attacker to elevate privileges through a heap-based buffer overflow in the Windows Kernel.
Which Windows versions are affected by CVE-2026-54132?
CVE-2026-54132 affects Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, and specific Windows 10 versions 21h2, 22h2, 1607, and 1809.
What is the exploit vector for CVE-2026-54132?
CVE-2026-54132 can be exploited by an attacker requiring physical access to the affected system.
How do I fix CVE-2026-54132?
To fix CVE-2026-54132, users should apply the latest security updates provided by Microsoft for their respective Windows versions.