Microsoft · ServicingStack update · October 23, 2025
KB5070879: October 2025 cumulative update for Windows Server 23H2
KB5070879, released October 23, 2025, fixes 1 CVE in Windows Server 2022, 23H2 Edition (Server Core installation) (build 25398.1916). One of them is being exploited (CVE-2025-59287); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.
Patch now1 on CISA KEVUnsupported product
CVEs closed
1
1 rated Critical
Exploited
1
CVE-2025-59287
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.9998
99th percentile
Applies to
| Product | Build after install |
|---|---|
| Windows Server 2022, 23H2 Edition (Server Core installation) | 25398.1916 |
CVEs this fix closes
| Priority | CVE | Component | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Patch now | CVE-2025-59287 | Windows Server Update Service | Remote Code Execution | 9.8 | 0.9998 | KEVExploited |
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