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CVE-2025-59287

KEV
Updated Feb 26, 2026 · PUBLISHED
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Description

Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution.

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Affected packages

PackageVendor / ProductVersion rangeStatus
Windows Server 2012Microsoft / Windows Server 2012>= 6.2.9200.0, < 6.2.9200.25728affected
Windows Server 2012 R2Microsoft / Windows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.22826affected
Windows Server 2012 R2 (Server Core installation)Microsoft / Windows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.22826affected
Windows Server 2012 (Server Core installation)Microsoft / Windows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.25728affected
Windows Server 2016Microsoft / Windows Server 2016>= 10.0.14393.0, < 10.0.14393.8524affected
Windows Server 2016 (Server Core installation)Microsoft / Windows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.8524affected
Windows Server 2019Microsoft / Windows Server 2019>= 10.0.17763.0, < 10.0.17763.7922affected
Windows Server 2019 (Server Core installation)Microsoft / Windows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.7922affected
Windows Server 2022Microsoft / Windows Server 2022>= 10.0.20348.0, < 10.0.20348.4297affected
Windows Server 2022, 23H2 Edition (Server Core installation)Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)>= 10.0.25398.0, < 10.0.25398.1916affected
Windows Server 2025Microsoft / Windows Server 2025>= 10.0.26100.0, < 10.0.26100.6905affected
Windows Server 2025 (Server Core installation)Microsoft / Windows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.6905affected