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Description

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

PUBLISHED Reserved 2025-09-11 | Published 2025-10-14 | Updated 2025-10-15 | Assigner microsoft




CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-502: Deserialization of Untrusted Data

Product status

10.0.17763.0 before 10.0.17763.7919
affected

10.0.17763.0 before 10.0.17763.7919
affected

10.0.20348.0 before 10.0.20348.4294
affected

10.0.26100.0 before 10.0.26100.6899
affected

10.0.25398.0 before 10.0.25398.1913
affected

10.0.26100.0 before 10.0.26100.6899
affected

10.0.14393.0 before 10.0.14393.8519
affected

10.0.14393.0 before 10.0.14393.8519
affected

6.2.9200.0 before 6.2.9200.25722
affected

6.2.9200.0 before 6.2.9200.25722
affected

6.3.9600.0 before 6.3.9600.22824
affected

6.3.9600.0 before 6.3.9600.22824
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59287 (Windows Server Update Service (WSUS) Remote Code Execution Vulnerability) vendor-advisory

cve.org (CVE-2025-59287)

nvd.nist.gov (CVE-2025-59287)

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