{"cve":"CVE-2025-21181","nvd":{"published":"2025-02-11T18:15:29.553","modified":"2026-06-17T08:42:42.947","status":"Modified","description":"Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21181","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"],"products":["microsoft:windows_10_1507","microsoft:windows_10_1607","microsoft:windows_10_1809","microsoft:windows_10_21h2","microsoft:windows_10_22h2","microsoft:windows_11_22h2","microsoft:windows_11_23h2","microsoft:windows_11_24h2","microsoft:windows_server_2008","microsoft:windows_server_2012","microsoft:windows_server_2016","microsoft:windows_server_2019","microsoft:windows_server_2022","microsoft:windows_server_2022_23h2","microsoft:windows_server_2025"],"source":"nvd","synced_at":"2026-10-19T21:59:18.731010617+00:00"},"epss":{"cve":"CVE-2025-21181","score":0.03482,"percentile":0.89117,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}