Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2025-59287

CVE-2025-59287CRITICAL

Microsoft Windows Server 2012 — Windows Server Update Service (WSUS) Remote Code Execution Vulnerability

  AV  AC  PR  UI  S  C  I  A   CVSS    EPSS    %ile   KEV
   N   L   N   N  U  H  H  H    9.8   .9998   100.0   YES

AFFECTED
  Product                                                       Versions        Fixed
  Windows Server 2012                                           6.2.9200.0 –    —
  Windows Server 2012 (Server Core installation)                6.2.9200.0 –    —
  Windows Server 2012 R2                                        6.3.9600.0 –    —
  Windows Server 2012 R2 (Server Core installation)             6.3.9600.0 –    —
  Windows Server 2016                                           10.0.14393.0 –  —
  Windows Server 2016 (Server Core installation)                10.0.14393.0 –  —
  Windows Server 2019                                           10.0.17763.0 –  —
  Windows Server 2019 (Server Core installation)                10.0.17763.0 –  —
  Windows Server 2022                                           10.0.20348.0 –  —
  Windows Server 2022, 23H2 Edition (Server Core installation)  10.0.25398.0 –  —
  + 2 more

TIMELINE
  Sep 11  Reserved by microsoft
  Oct 14  Published (CNA: microsoft)
  Oct 24  Added to CISA KEV, remediation due 2025-11-14

CWE-502 · CNA: microsoft · CVSS v3.1 · 7 references · KEV due November 14, 2025

Description

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

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
September 11, 2025	Reserved	Reserved by microsoft
October 14, 2025	Published	Published (CNA: microsoft)
October 24, 2025	KEV ADDED	Added to CISA KEV, remediation due 2025-11-14

Affected

Affected products and packages — 12 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Microsoft	Windows Server 2012	—	6.2.9200.0	—
Microsoft	Windows Server 2012 (Server Core installation)	—	6.2.9200.0	—
Microsoft	Windows Server 2012 R2	—	6.3.9600.0	—
Microsoft	Windows Server 2012 R2 (Server Core installation)	—	6.3.9600.0	—
Microsoft	Windows Server 2016	—	10.0.14393.0	—
Microsoft	Windows Server 2016 (Server Core installation)	—	10.0.14393.0	—
Microsoft	Windows Server 2019	—	10.0.17763.0	—
Microsoft	Windows Server 2019 (Server Core installation)	—	10.0.17763.0	—
Microsoft	Windows Server 2022	—	10.0.20348.0	—
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	—	10.0.25398.0	—
Microsoft	Windows Server 2025	—	10.0.26100.0	—
Microsoft	Windows Server 2025 (Server Core installation)	—	10.0.26100.0	—

Weaknesses

CWE-502

References (7)

Authoritative record: CVE-2025-59287 at cve.org

Vendors: microsoft

Weaknesses: CWE-502

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2025-59287 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.