CVE-2025-59287

CISA KEV
ACT NOW Priority: 0.00 BB Relevance: 10/100
Published: N/A Modified: N/A First seen: 2026-10-29 Status: pending_score

Description

Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution.

CISA Known Exploited Vulnerability

Vendor / Product Microsoft — Windows
Date Added 2025-10-24
Remediation Due 2025-11-14
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-59287 ; https://nvd.nist.gov/vuln/detail/CVE-2025-59287

Bug Bounty Relevance

10 / 100
✓ Known exploited (KEV)
✓ High exploitation probability

CVSS Score

Unscored

EPSS — Exploitation Probability

99.98%
Raw Score 0.999800
Percentile 100.0%
Date 2026-10-28

Intelligence Sources

kev ref →