Windows Local Session Manager (LSM) Denial of Service Vulnerability (Microsoft Windows 11 version 22H2)

CVE-2025-26651
MEDIUM 6.5

At a glance

Source
NVD
EPSS
EPSS 2.56 % · percentile 85 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Analyzed

Description

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

Weaknesses (CWE)

  • CWE-749 — Exposed Dangerous Method or Function

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1MEDIUM 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · secure@microsoft.com (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Microsoft · Windows 11 version 22H2affected 10.0.22621.0 < 10.0.22621.5189
Microsoft · Windows 11 version 22H3affected 10.0.22631.0 < 10.0.22631.5189
Microsoft · Windows 11 Version 23H2affected 10.0.22631.0 < 10.0.22631.5189
Microsoft · Windows 11 Version 24H2affected 10.0.26100.0 < 10.0.26100.3775
Microsoft · Windows Server 2022affected 10.0.20348.0 < 10.0.20348.3453
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)affected 10.0.25398.0 < 10.0.25398.1551
Microsoft · Windows Server 2025affected 10.0.26100.0 < 10.0.26100.3775
Microsoft · Windows Server 2025 (Server Core installation)affected 10.0.26100.0 < 10.0.26100.3775

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD