Live › vulnerability › CVE-2025-59287
Go to dashboardMicrosoft Windows Server Update Services (WSUS) has a deserialization flaw that lets a remote party run code on the server. CISA lists it as actively exploited in the wild.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Windows | vendor | – | – |
| microsoft windows server 2012 | vendor | – | – |
| microsoft windows server 2012 | vendor | = r2 | – |
| microsoft windows server 2016 | vendor | < 10.0.14393.8524 | 10.0.14393.8524 |
| microsoft windows server 2019 | vendor | < 10.0.17763.7922 | 10.0.17763.7922 |
| microsoft windows server 2022 |
| vendor |
| < 10.0.20348.4297 |
| 10.0.20348.4297 |
| microsoft windows server 2022 23h2 | vendor | < 10.0.25398.1916 | 10.0.25398.1916 |
| microsoft windows server 2025 | vendor | < 10.0.26100.6905 | 10.0.26100.6905 |
Unknown from the sources.
Apply the Microsoft mitigations or patch for CVE-2025-59287 per vendor instructions; if no mitigation is available, stop using WSUS.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Windows Server Update Service (WSUS) contains a deserialization of untrusted data vulnerability that allows for remote code execution.
CISA 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.
This page as .md · .json · in your agent: get_signal("CVE-2025-59287")
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