CVE-2025-59287 — Actively Exploited: Windows (Microsoft)
Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution.
| CVE ID | CVE-2025-59287 |
|---|---|
| Vendor | Microsoft |
| Product | Windows |
| Vulnerability name | Microsoft Windows Server Update Service (WSUS) Deserialization of Untrusted Data Vulnerability |
| Date added | 2025-10-24 |
| Remediation due | 2025-11-14 |
| Known ransomware use | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
| Description | Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution. |
| Source | CISA Known Exploited Vulnerabilities |
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