MEDIUM · 6.5

CVE-2025-26651

Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

Vulnerability Description

Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftWindows 11 22H2< 10.0.22621.5189
MicrosoftWindows 11 23H2< 10.0.22631.5189
MicrosoftWindows 11 24H2< 10.0.26100.3775
MicrosoftWindows Server 2022< 10.0.20348.3453
MicrosoftWindows Server 2022 23H2< 10.0.25398.1551
MicrosoftWindows Server 2025< 10.0.26100.3775

Related Weaknesses (CWE)

References

FAQ

What is CVE-2025-26651?

CVE-2025-26651 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

How severe is CVE-2025-26651?

CVE-2025-26651 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-26651?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 11 22H2, Microsoft Windows 11 23H2, Microsoft Windows 11 24H2, Microsoft Windows Server 2022, Microsoft Windows Server 2022 23H2.