CVE-2025-59287
CVSS v3
9.8
CRITICAL
EPSS Score
71.4 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
CISA Known Exploited Vulnerability
- Date Added
- 2025-10-24
- Patch Due Date
- 2025-11-14
- Ransomware Use
- Unknown
Technical details
- Published
- 2025-10-14
Frequently asked questions
What is CVE-2025-59287?
Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
Is CVE-2025-59287 actively exploited?
Yes. CVE-2025-59287 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/14/2025.
What is the CVSS score for CVE-2025-59287?
CVE-2025-59287 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2025-59287 affecting your environment?
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