CVE-2026-62751: Windows Projected File System Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Projected File System allows an authorized attacker to elevate privileges locally.
Other sources
Windows Projected File System 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 10.0.19045.7663Patch KB5120249 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26000.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7663Patch KB5120249 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.2704Patch KB5121000 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7517Patch KB5120240 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9168Fixed in 10.0.26100.9106Patch KB5120994
Event History
Frequently Asked Questions
What is the severity of CVE-2026-62751?
CVE-2026-62751 has a severity rating of high, with a CVSS score of 7.8.
How do I fix CVE-2026-62751?
To fix CVE-2026-62751, apply the latest security updates provided by Microsoft for affected Windows versions.
What systems are affected by CVE-2026-62751?
CVE-2026-62751 affects Microsoft Windows 10, Windows 11, Windows Server 2022, and Windows Server 2025.
What type of vulnerability is CVE-2026-62751?
CVE-2026-62751 is classified as an integer overflow vulnerability that allows for elevation of privilege.
Can CVE-2026-62751 be exploited remotely?
CVE-2026-62751 requires local access for exploitation, as it is a local elevation of privilege vulnerability.