CVE-2025-59287CriticalMicrosoft CVSS 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C

Microsoft security update for CVE-2025-59287 — Windows Server

Published
October 14, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-59287 →

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59287. This page also shows what EchelonGraph holds for CVE-2025-59287, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products13

  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows Server 2025
  • Windows Server 2025 (Server Core installation)

✅ Updates Microsoft lists: 7 KB articles and 2 other updates

9 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
KB5070883Security Update10.0.17763.7922
KB5070884Security Update10.0.20348.4297
—Standalone Security Update10.0.20348.4297
KB5070881Security Update10.0.26100.6905
—Standalone Security Update10.0.26100.6905
KB5070879Security Update10.0.25398.1916
KB5070882Security Update10.0.14393.8524
KB5070887Security Update6.2.9200.25728
KB5070886Security Update6.3.9600.22826

🧭 EchelonGraph on CVE-2025-59287

EchelonGraph score
9.8 CRITICAL
CISA KEV
Listed since October 24, 2025
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

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

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2025-59287, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (17)