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CVE

CVE-2025-21181

Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability

Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability.

HIGH · CVSS 7.5 EPSS 0.13583
Schedule remediation
  • EPSS ≥ 0.10 - elevated exploitation probability
  • EPSS percentile: top 6% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

15
microsoft windows 10 1507< 10.0.10240.20915
microsoft windows 10 1607< 10.0.14393.7785
microsoft windows 10 1809< 10.0.17763.6893
microsoft windows 10 21h2< 10.0.19044.5487
microsoft windows 10 22h2< 10.0.19045.5487
microsoft windows 11 22h2< 10.0.22621.4890
microsoft windows 11 23h2< 10.0.22631.4890
microsoft windows 11 24h2< 10.0.26100.3194
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Feb 2025 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2025-21181Denial of Service
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.vicarius.io/vsociety/posts/cve-2025-21181-denial-of-service-vulnerability-in-microsoft-message-queuing-detection-script
https://www.vicarius.io/vsociety/posts/cve-2025-21181-denial-of-service-vulnerability-in-microsoft-message-queuing-mitigation-script
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