CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Nov 14, 2025
Description
Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution.
EPSS — Exploit Probability
73.0%
Higher than 98.8% of all CVEs
Required Action
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-59287 ; https://nvd.nist.gov/vuln/detail/CVE-2025-59287
Risk Assessment
HIGHIn CISA KEV
High EPSS
Details
- Severity
- High
- EPSS
- 73.0%
- CISA KEV
- Yes
- Ransomware
- Unknown
- Articles
- 0
Timeline
Published
Oct 24, 2025
Added to KEV
Oct 24, 2025
Remediation Due
Nov 14, 2025