VDB

CISA-2025-59287

CISA-2025-59287 PUBLISHED CVSS 9.8 CRITICAL

Reported by microsoft · Published October 14, 2025

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

Risk Scores

CVSS 3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Affected Products

VendorProductVersions
MicrosoftWindows Server 20126.2.9200.0
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0
MicrosoftWindows Server 2012 R26.3.9600.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0
MicrosoftWindows Server 201610.0.14393.0
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0
MicrosoftWindows Server 201910.0.17763.0
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0
MicrosoftWindows Server 202210.0.20348.0
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation)10.0.25398.0
MicrosoftWindows Server 202510.0.26100.0
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0
MicrosoftWindows Server 2012 R26.3.9600.0, 6.3.9600.0
MicrosoftWindows Server 201910.0.17763.0, 10.0.17763.0
microsoftwindows_server_202210.0.20348.0, 10.0.20348.0
microsoftwindows_server_201610.0.14393.0, 10.0.14393.0, 10.0.14393.0
microsoftwindows_server_202510.0.26100.0, 10.0.26100.0, 10.0.26100.0
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0, 6.3.9600.0
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0, 10.0.26100.0
MicrosoftWindows Server 202510.0.26100.0, 10.0.26100.0

…and 11 more

Timeline

  • Oct 14, 2025 CVE Published
  • Oct 25, 2025 PoC Published
  • Feb 26, 2026 CVE Updated
  • Apr 26, 2026 Security Advisory

References

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