CVE-2025-59259 | THREATINT

Description

Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.

PUBLISHED Reserved 2025-09-11 | Published 2025-10-14 | Updated 2025-10-14 | Assigner microsoft

MEDIUM: 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:C

Problem types

CWE-1287: Improper Validation of Specified Type of Input

Product status

10.0.17763.0 before 10.0.17763.7919

affected

10.0.17763.0 before 10.0.17763.7919

affected

10.0.17763.0 before 10.0.17763.7919

affected

10.0.20348.0 before 10.0.20348.4294

affected

10.0.19044.0 before 10.0.19044.6456

affected

10.0.22621.0 before 10.0.22621.6060

affected

10.0.19045.0 before 10.0.19045.6456

affected

10.0.26100.0 before 10.0.26100.6899

affected

10.0.26200.0 before 10.0.26200.6899

affected

10.0.22631.0 before 10.0.22631.6060

affected

10.0.22631.0 before 10.0.22631.6060

affected

10.0.25398.0 before 10.0.25398.1913

affected

10.0.26100.0 before 10.0.26100.6899

affected

10.0.26100.0 before 10.0.26100.6899

affected

10.0.10240.0 before 10.0.10240.21161

affected

10.0.14393.0 before 10.0.14393.8519

affected

10.0.14393.0 before 10.0.14393.8519

affected

10.0.14393.0 before 10.0.14393.8519

affected

6.2.9200.0 before 6.2.9200.25722

affected

6.2.9200.0 before 6.2.9200.25722

affected

6.3.9600.0 before 6.3.9600.22824

affected

6.3.9600.0 before 6.3.9600.22824

affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59259 (Windows Local Session Manager (LSM) Denial of Service Vulnerability) vendor-advisory

cve.org (CVE-2025-59259)

nvd.nist.gov (CVE-2025-59259)

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