Riskcovery

CVE-2025-59287

Windows Server Update Service (WSUS) Remote Code Execution Vulnerability

State
Published
Severity
9.8 Critical
Published
Oct 14, 2025
Updated
Feb 26, 2026
Reserved
Sep 11, 2025

Read the record on cve.org

Description

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:Cmicrosoft

Weaknesses

  • CWE-502 Deserialization of Untrusted Data

Affected Products

ProductVersions
Windows Server 2012Microsoft
  • 6.2.9200.0 to before 6.2.9200.25728Affected
Windows Server 2012 (Server Core installation)Microsoft
  • 6.2.9200.0 to before 6.2.9200.25728Affected
Windows Server 2012 R2Microsoft
  • 6.3.9600.0 to before 6.3.9600.22826Affected
Windows Server 2012 R2 (Server Core installation)Microsoft
  • 6.3.9600.0 to before 6.3.9600.22826Affected
Windows Server 2016Microsoft
  • 10.0.14393.0 to before 10.0.14393.8524Affected
Windows Server 2016 (Server Core installation)Microsoft
  • 10.0.14393.0 to before 10.0.14393.8524Affected
Windows Server 2019Microsoft
  • 10.0.17763.0 to before 10.0.17763.7922Affected
Windows Server 2019 (Server Core installation)Microsoft
  • 10.0.17763.0 to before 10.0.17763.7922Affected
Windows Server 2022Microsoft
  • 10.0.20348.0 to before 10.0.20348.4297Affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft
  • 10.0.25398.0 to before 10.0.25398.1916Affected
Windows Server 2025Microsoft
  • 10.0.26100.0 to before 10.0.26100.6905Affected
Windows Server 2025 (Server Core installation)Microsoft
  • 10.0.26100.0 to before 10.0.26100.6905Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.