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CVE record · CVE-2025-59287

Windows Server Update Service (WSUS) Remote Code Execution Vulnerability

CVSS 9.8 CriticalCriticalIn CISA KEVEPSS 1.00 · 99th percentile

Critical, because:

  • In CISA’s KEV catalogue since 24 Oct 2025: it is known to be exploited.
  • CVSS score 9.8: 9.0 or more.
  • CVSS score 9.8 (7.0 or more) and EPSS 1.00 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the CVE Program (CNA: microsoft) at 14 Oct 2025, 17:01 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Microsoft Windows Server 2012
  • affected 6.2.9200.0 to before 6.2.9200.25728 custom
Microsoft Windows Server 2012 (Server Core installation)
  • affected 6.2.9200.0 to before 6.2.9200.25728 custom
Microsoft Windows Server 2012 R2
  • affected 6.3.9600.0 to before 6.3.9600.22826 custom
Microsoft Windows Server 2012 R2 (Server Core installation)
  • affected 6.3.9600.0 to before 6.3.9600.22826 custom
Microsoft Windows Server 2016
  • affected 10.0.14393.0 to before 10.0.14393.8524 custom
Microsoft Windows Server 2016 (Server Core installation)
  • affected 10.0.14393.0 to before 10.0.14393.8524 custom
Microsoft Windows Server 2019
  • affected 10.0.17763.0 to before 10.0.17763.7922 custom
Microsoft Windows Server 2019 (Server Core installation)
  • affected 10.0.17763.0 to before 10.0.17763.7922 custom
Microsoft Windows Server 2022
  • affected 10.0.20348.0 to before 10.0.20348.4297 custom
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation)
  • affected 10.0.25398.0 to before 10.0.25398.1916 custom
Microsoft Windows Server 2025
  • affected 10.0.26100.0 to before 10.0.26100.6905 custom
Microsoft Windows Server 2025 (Server Core installation)
  • affected 10.0.26100.0 to before 10.0.26100.6905 custom
Identifiers
CVE-2025-59287
CNA
microsoft
Weakness (CWE)
CWE-502
Tags
Published
14 Oct 2025
Updated
26 Feb 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.8 Critical 3.1 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 CNA (microsoft)
  • CISA KEV Listed since 24 Oct 2025: known to be exploited.
  • EPSS 1.00, the 99th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 14 Oct 2025. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.