CVE-2025-59287: Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
Microsoft · Windows Server 2012
Vendor fix available · Affected: Microsoft Windows Server 2012 · Exploitation: in CISA KEV since 24 Oct 2025
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
ExploitationIn CISA KEV
- In CISA KEVCISA KEV catalogue24 Oct 2025
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not established: not seen
Higher than 99% of scored CVEs
DescriptionCVE.org
Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.
Affected products12
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Microsoft · Windows Server 2012from 6.2.9200.0 before 6.2.9200.25728
- Microsoft · Windows Server 2012 (Server Core installation)from 6.2.9200.0 before 6.2.9200.25728
- Microsoft · Windows Server 2012 R2from 6.3.9600.0 before 6.3.9600.22826
- Microsoft · Windows Server 2012 R2 (Server Core installation)from 6.3.9600.0 before 6.3.9600.22826
- Microsoft · Windows Server 2016from 10.0.14393.0 before 10.0.14393.8524
- Microsoft · Windows Server 2016 (Server Core installation)from 10.0.14393.0 before 10.0.14393.8524
- Microsoft · Windows Server 2019from 10.0.17763.0 before 10.0.17763.7922
- Microsoft · Windows Server 2019 (Server Core installation)from 10.0.17763.0 before 10.0.17763.7922
- Microsoft · Windows Server 2022from 10.0.20348.0 before 10.0.20348.4297
- Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)from 10.0.25398.0 before 10.0.25398.1916
- Microsoft · Windows Server 2025from 10.0.26100.0 before 10.0.26100.6905
- Microsoft · Windows Server 2025 (Server Core installation)from 10.0.26100.0 before 10.0.26100.6905
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
- CISA KEV
- Listed since 24 Oct 2025 · catalogue entry
- Public check
- Windows Server Update Service - Insecure Deserialization · nuclei template in projectdiscovery/nuclei-templates
- Vendor
- Microsoft
- Published
- October 2025
What changed
- CISA added it to the KEV catalogue CISA
CoverageNo articles yet
No CyberSIXT article names CVE-2025-59287 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CISA KEV cataloguecisa.gov
- CVE recordcve.org
- Weakness CWE-502cwe.mitre.org
- Vendor advisorymsrc.microsoft.com
- Exploitgist.github.com
- bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-winbleepingcomputer.com
- hawktrace.com/blog/CVE-2025-59287hawktrace.com
- vicarius.io/vsociety/posts/cve-2025-59287-detection-script-rce-vvicarius.io
- vicarius.io/vsociety/posts/cve-2025-59287-mitigation-script-rce-vicarius.io