{"id":"CVE-2024-38226","published":"2024-09-10T17:15:25Z","modified":"2026-08-10T16:19:04Z","title":"Microsoft Publisher Protection Mechanism Failure Vulnerability","vendor":"Microsoft","product":"Publisher","tier":"core","eol":null,"description":{"text":"Microsoft Publisher Security Feature Bypass Vulnerability","provenance":"source","from":"NVD"},"summary":{"text":"Microsoft Publisher contains a protection mechanism failure, a security feature bypass flaw in the Publisher application. An attacker with local access and low privileges could bypass the security protections in Publisher, but only if a user is induced to interact with a crafted file or action.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:14:23Z"},"cvss":{"score":7.3,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.02667,"percentile":0.85737,"date":"2026-10-31","provenance":"source"},"kev":{"dateAdded":"2024-09-10","dueDate":"2024-10-01","ransomware":false,"requiredAction":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","notes":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38226; https://nvd.nist.gov/vuln/detail/CVE-2024-38226","provenance":"source"},"vulncheckKev":{"dateAdded":"2024-09-10","exploitedFirstSeen":"2024-09-10","ransomware":false,"evidence":[{"url":"https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2024-Sep","date":"2024-09-10"},{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38226","date":"2024-09-10"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2024-09-10"},{"url":"https://www.zerodayinitiative.com/blog/2024/9/10/the-september-2024-security-update-review","date":"2024-09-10"},{"url":"https://www.enisa.europa.eu/sites/default/files/2025-10/ENISA%20Threat%20Landscape%202025.pdf","date":"2025-10-09"}],"evidenceTotal":5,"provenance":"source"},"exploited":true,"otx":null,"cwes":[{"id":"CWE-693","name":"Protection Mechanism Failure"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38226","tags":["Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-38226","tags":["US Government Resource"]}],"techniques":[{"id":"T1204.002","name":"Malicious File","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Requires user to open malicious Publisher file","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Microsoft Publisher Security Feature Bypass Vulnerability","start":0,"end":57}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2024-37192","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-37192","exploited":true,"exploitedSince":"2024-09-10","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1204.002"],"provenance":"ai"}],"timeline":[{"date":"2024-09-10","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-38226","provenance":"source"},{"date":"2024-09-10","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2024-Sep","provenance":"source"},{"date":"2024-09-10","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2024-09-10","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-37192","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":0},"priority":{"score":57.3,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in CISA KEV and VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 782 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":17.15,"detail":"percentile 0.8574"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":5.11,"detail":"base score 7.3"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}