CVE-2025-59287

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

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

99.98% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2025-10-24

Nuclei

critical · CWE-502

Published

2025-10-14

Updated

2026-02-26

Proof-of-concept exploits (19)

• trustedsec/spoonmap198★ · 2026-08-28
• 0x7556/CVE-2025-59287
• 0xBruno/WSUSploit.NET
• Adel-hx0d/cve-2025-59287
• DaddyBigFish/CVE-2025-59287-hawktrace
• FurkanKAYAPINAR/CVE-2025-59287
• LuemmelSec/CVE-2025-59287---WSUS-SCCM-RCE
• Lupovis/Honeypot-for-CVE-2025-59287-WSUS
• M507/CVE-2025-59287-PoC
• MaxymGorn/cve-2025-59287-exploit-poc
• QurtiDev/WSUS-CVE-2025-59287-RCE
• garvitv14/CVE-2025-59287
• jiansiting/CVE-2025-59287
• mubix/Find-WSUS
• ross-ns/WSUS-CVE-2025-59287
• swoon69/CVE-2025-59287-Exercise-Use
• tecxx/CVE-2025-59287-WSUS
• kennedy-aikohi/WSUS-Exploitation-and-Velociraptor-Assisted-LockBit-Ransomware-Attempt
• tijldeneut/Security

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-59287.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/wsus_deserializatio…

References

• CVE Record
• NVD entry

Related

• CVE-2019-19781
• CVE-2024-47176
• CVE-2024-55591
• CVE-2025-32433
• CVE-2026-24061
• CVE-2026-24601