CVE-2025-26651HighCVSS 6.5
Windows Local Session Manager (LSM) Denial of Service Vulnerability
🔗 CVE IDs covered (1)
📋 Description
Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
🎯 Affected products11
- Windows 11 Version 22H2 for ARM64-based Systems
- Windows 11 Version 22H2 for x64-based Systems
- Windows 11 Version 23H2 for ARM64-based Systems
- Windows 11 Version 23H2 for x64-based Systems
- Windows 11 Version 24H2 for ARM64-based Systems
- Windows 11 Version 24H2 for x64-based Systems
- Windows Server 2022
- Windows Server 2022 (Server Core installation)
- Windows Server 2022, 23H2 Edition (Server Core installation)
- Windows Server 2025
- Windows Server 2025 (Server Core installation)
✅ Remediation
KB5055526 (Security Update) — fixed build 10.0.20348.3453 KB5055528 (Security Update) — fixed build 10.0.22621.5189 KB5055523 (Security Update) — fixed build 10.0.26100.3775 KB5055528 (Security Update) — fixed build 10.0.22631.5189 KB5055527 (Security Update) — fixed build 10.0.25398.1551
🔗 References (9)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-26651
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5055526
- referencehttps://support.microsoft.com/help/5055526
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5055528
- referencehttps://support.microsoft.com/help/5055528
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5055523
- referencehttps://support.microsoft.com/help/5055523
- patchhttps://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5055527
- referencehttps://support.microsoft.com/help/5055527