CVE-2025-59287: Technical Deep-Dive (Auto Refreshed)

Generated on 2026-03-23T21:39:43.751Z. This file is automatically regenerated every 30 minutes by the CVE AI enrichment job using web sources (NVD, MITRE, CISA KEV, GitHub).

Executive Technical Summary

Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network.

• Context preserved from previous revision: Deserialization of untrusted data in Windows Server Update Service allows an unauthorized attacker to execute code over a network. Notes: 一个 CVE 漏洞预警知识库，无 exp/poc，部分包含修复方案。A knowledge base of CVE security vulnerability, no PoCs/exploits.

Technical Details

• CVE: CVE-2025-59287
• KEV date added: 2025-10-24
• KEV due date: 2025-11-14
• NVD published: 2025-10-14
• NVD modified: 2025-11-12
• MITRE modified: 2026-02-26
• CVSS base score: 9.8
• CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
• CVSS exploitability score: 3.9
• CVSS impact score: 5.9
• Attack vector: Network
• Attack complexity: Low
• Privileges required: None
• User interaction: None
• Scope: Unchanged
• Confidentiality impact: High
• Integrity impact: High
• Availability impact: High

Versions and Products Impacted

• microsoft / windows server 2012
• microsoft / windows server 2012 (versions: r2)
• microsoft / windows server 2016 (versions: < 10.0.14393.8524)
• microsoft / windows server 2019 (versions: < 10.0.17763.7922)
• microsoft / windows server 2022 (versions: < 10.0.20348.4297)
• microsoft / windows server 2022 23h2 (versions: < 10.0.25398.1916)
• microsoft / windows server 2025 (versions: < 10.0.26100.6905)
• Microsoft / Windows Server 2012 (versions: 6.2.9200.0)
• Microsoft / Windows Server 2012 (Server Core installation) (versions: 6.2.9200.0)
• Microsoft / Windows Server 2012 R2 (versions: 6.3.9600.0)
• Microsoft / Windows Server 2012 R2 (Server Core installation) (versions: 6.3.9600.0)
• Microsoft / Windows Server 2016 (versions: 10.0.14393.0)
• Microsoft / Windows Server 2016 (Server Core installation) (versions: 10.0.14393.0)
• Microsoft / Windows Server 2019 (versions: 10.0.17763.0)
• Microsoft / Windows Server 2019 (Server Core installation) (versions: 10.0.17763.0)
• Microsoft / Windows Server 2022 (versions: 10.0.20348.0)
• Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation) (versions: 10.0.25398.0)
• Microsoft / Windows Server 2025 (versions: 10.0.26100.0)
• Microsoft / Windows Server 2025 (Server Core installation) (versions: 10.0.26100.0)

Weakness Classification

• CWE-502

Repositories for Lab Validation (Public Examples)

• Threekiii/CVE | stars: 161 | updated: 2026-03-23 | https://github.com/Threekiii/CVE
  Notes: 一个 CVE 漏洞预警知识库，无 exp/poc，部分包含修复方案。A knowledge base of CVE security vulnerability, no PoCs/exploits.
• DarkFunct/TK-CVE-Repo | stars: 43 | updated: 2026-03-23 | https://github.com/DarkFunct/TK-CVE-Repo
  Notes: TK-CVE-Repo
• zulloper/cve-poc | stars: 8 | updated: 2026-03-23 | https://github.com/zulloper/cve-poc
  Notes: CVE POC repo 자동 수집기
• salman5230/CVE-2025-59287 | stars: 0 | updated: 2026-03-23 | https://github.com/salman5230/CVE-2025-59287
  Notes: 🔍 Analyze WSUS deserialization behavior to enhance security, generate reports, and identify configuration weaknesses in your infrastructure.

People and Organizations Mentioned

• microsoft
• Windows
• Threekiii
• DarkFunct
• zulloper
• salman5230

Practical Defensive Validation (Authorized Only)

1. Use only isolated environments and systems you own or are explicitly authorized to test.
2. Snapshot infrastructure before validation and preserve baseline logs (EDR, SIEM, OS, app).
3. Inventory microsoft / windows server 2012 assets and confirm exact vulnerable versions with automated checks.
4. Patch in staged environments and validate closure with scanners + service health checks.
5. Map detections to MITRE ATT&CK tactics relevant to your environment and tune alert quality.

References

• NVD record: https://nvd.nist.gov/vuln/detail/CVE-2025-59287
• MITRE CVE record: https://www.cve.org/CVERecord?id=CVE-2025-59287
• CISA KEV Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• CISA KEV JSON feed: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
• KEV notes: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-59287 ; https://nvd.nist.gov/vuln/detail/CVE-2025-59287
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59287
• https://hawktrace.com/blog/CVE-2025-59287
• https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-windows-server-wsus-flaw-exploited-in-attacks/
• https://www.vicarius.io/vsociety/posts/cve-2025-59287-detection-script-rce-vulnerability-in-windows-server-update-service
• https://www.vicarius.io/vsociety/posts/cve-2025-59287-mitigation-script-rce-vulnerability-in-windows-server-update-service
• https://gist.github.com/hawktrace/880b54fb9c07ddb028baaae401bd3951
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-59287
• Repository example: https://github.com/Threekiii/CVE
• Repository example: https://github.com/DarkFunct/TK-CVE-Repo
• Repository example: https://github.com/zulloper/cve-poc
• Repository example: https://github.com/salman5230/CVE-2025-59287

This content is for defensive security training and authorized validation only.