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
High
CISA KEVCVE-2025-59287
Microsoft—Windows
Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution.
Required Action
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-59287 ; https://nvd.nist.gov/vuln/detail/CVE-2025-59287
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Unknown
- Published
- Oct 24, 2025
- KEV Added
- Oct 24, 2025
- Due Date
- Nov 14, 2025
- Related Articles
- 0
Vendor
Microsoft
Windows