CVE-2025-22187
📛 CVE Title
CVE-2025-22187
Description
No English description in the CVE record.
Overview
- State
- REJECTED
- Assigner (CNA)
- atlassian
- CVSS severity
- —
- CVSS score
- —
- CVSS vector
- —
- Effective score
- no score available from CNA, NVD, or AI yet
- CWE(s)
- —
- Reserved
- 2025-01-01
- Published
- —
- Last updated
- 2026-01-01 01:00 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/22xxx/CVE-2025-22187.json
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- NVD published
- 2026-01-01 01:15:41 UTC
- NVD last modified
- 2026-01-01 01:15:41 UTC
NVD / KEV / EPSS data refreshed 2026-07-28 00:52 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
AI-forensic CVSS estimate
Used only when a CVE has no official CVSS from its CNA or NVD. An LLM estimates the v3.1 base score from the description; a HIGH/CRITICAL estimate promotes the CVE to a Threat.
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Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
Remediations (10)
-
web:horizon3.ai
CVE - 2025 -59287 is a critical WSUS unsafe-deserialization RCE with active exploitation. Microsoft released an Oct 23 out-of-band patch—update immediately or apply host-level mitigations .
2026-05-23 13:10 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-23 13:10 UTC -
web:securityboulevard.com
Overview Recently, NSFOCUS CERT detected that Microsoft released a security update that fixed the Windows Server Update Service (WSUS) remote code execution vulnerability ( CVE - 2025 -59287); Because WSUS's GetCookie does not perform type verification when processing objects, an unauthenticated attacker can achieve remote code execution by deserializing malicious data to control the target ...
2026-05-23 13:10 UTC -
web:thehackernews.com
Microsoft releases urgent fix for critical WSUS flaw CVE - 2025 -59287 under active exploitation.
2026-05-23 13:10 UTC -
web:www.bleepingcomputer.com
Microsoft has released out-of-band (OOB) security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with publicly available proof-of-concept exploit code.
2026-05-23 13:10 UTC -
web:www.cisa.gov
Updated October 29, 2025 : CISA has updated this Alert to include revised information on vulnerable product identification, potential threat activity detections, and additional resources. Microsoft released an update to address a critical remote code execution vulnerability impacting Windows Server Update Service (WSUS) in Windows Server (2012, 2016, 2019, 2022, and 2025 ), CVE - 2025 -59287
2026-05-23 13:10 UTC -
web:www.lansweeper.com
Which vulnerabilities, issues, and other things did Microsoft update? Discover what's new using Lansweeper's Patch Tuesday November 2025 summary.
2026-05-23 13:10 UTC -
web:www.picussecurity.com
As exploitation activity has already been detected in the wild, making prompt remediation critical for all WSUS-enabled environments [2]. This blog examines the WSUS service, the root cause of CVE - 2025 -59287, available proof-of-concept exploits, and the recommended mitigation and workaround strategies.
2026-05-23 13:10 UTC -
web:www.techradar.com
Microsoft has issued an emergency Windows server security patch to fix a critical severity flaw apparently abused in the wild.
2026-05-23 13:10 UTC -
web:www.zdnet.com
Install Microsoft's emergency Windows patch now - what it fixes and why it was rushed out Microsoft issued an out-of-band fix after its latest update introduced a nasty surprise.
2026-05-23 13:10 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2025-22187.json.
{
"containers": {
"cna": {
"providerMetadata": {
"dateUpdated": "2026-01-01T00:00:19.845Z",
"orgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
"shortName": "atlassian"
},
"rejectedReasons": [
{
"lang": "en-US",
"value": "To maintain compliance with CNA rules, we have rejected this CVE record because it has not been used."
}
]
}
},
"cveMetadata": {
"assignerOrgId": "f08a6ab8-ed46-4c22-8884-d911ccfe3c66",
"assignerShortName": "atlassian",
"cveId": "CVE-2025-22187",
"dateRejected": "2026-01-01T00:00:19.845Z",
"dateReserved": "2025-01-01T00:01:27.180Z",
"dateUpdated": "2026-01-01T00:00:19.845Z",
"state": "REJECTED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}