Microsoft Windows Server fixes a critical vulnerability

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[TLP:CLEAR] Microsoft Windows Server fixes a critical vulnerability

Microsoft Windows Server is fixing a critical vulnerability [1].

Microsoft Windows Server - RCE (CVE-2025-59287)

CVSS 9.8 (Critical)

An unauthenticated remote attacker can cause execution of arbitrary code by sending specially crafted serialized data. The vulnerability is exploitable only if the Windows Server Update Services (WSUS) functionality is enabled and is also accessible to untrusted users [1].

CVSS: 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

More information:

CVE-2025-59287 at cve.org, NVD
CWE-502: Deserialization of Untrusted Data at cwe.mitre.org

The vulnerability was publicly disclosed 14. 10. 2025.

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[TLP:CLEAR] Microsoft Windows Server fixes a critical vulnerability

Microsoft Windows Server - RCE (CVE-2025-59287)

CVSS 9.8 (Critical)

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