{"id":"CVE-2022-41049","published":"2022-11-09T22:15:19Z","modified":"2026-08-10T16:18:15Z","title":"Microsoft Windows Mark of the Web (MOTW) Security Feature Bypass Vulnerability","vendor":"Microsoft","product":"Windows","tier":"core","eol":null,"description":{"text":"Windows Mark of the Web Security Feature Bypass Vulnerability","provenance":"source","from":"NVD"},"summary":{"text":"A flaw in the Mark of the Web (MOTW) security feature of Microsoft Windows allows the MOTW protections to be bypassed. An attacker can exploit it remotely without privileges or authentication, but it requires a user to interact with a crafted file or link.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:14:36Z"},"cvss":{"score":5.4,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","provenance":"source","from":"NVD"},"epss":{"score":0.02634,"percentile":0.85505,"date":"2026-10-29","provenance":"source"},"kev":{"dateAdded":"2022-11-14","dueDate":"2022-12-09","ransomware":false,"requiredAction":"Apply updates per vendor instructions.","notes":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-41049;  https://nvd.nist.gov/vuln/detail/CVE-2022-41049","provenance":"source"},"vulncheckKev":{"dateAdded":"2022-11-11","exploitedFirstSeen":"2022-11-11","ransomware":false,"evidence":[{"url":"https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2022-Nov","date":"2022-11-11"},{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41049","date":"2022-11-11"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2022-11-14"}],"evidenceTotal":3,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev | Oct 29, 2026","url":"https://otx.alienvault.com/pulse/6ae20c1db17e7057ae7d9ad1","created":"2026-10-28"},{"name":"Actively_Exploited_Kev | Oct 28, 2026","url":"https://otx.alienvault.com/pulse/6ae0ba7e0e2a97ff7b218819","created":"2026-10-27"},{"name":"Actively_Exploited_Kev | Oct 27, 2026","url":"https://otx.alienvault.com/pulse/6adf68b85c3e852f3c111d18","created":"2026-10-26"},{"name":"Actively_Exploited_Kev | Oct 24, 2026","url":"https://otx.alienvault.com/pulse/6adb740e397c3ad4799aa4cd","created":"2026-10-23"},{"name":"Actively_Exploited_Kev | Oct 23, 2026","url":"https://otx.alienvault.com/pulse/6ada236fcfba2dfa730ea482","created":"2026-10-22"},{"name":"Actively_Exploited_Kev | Oct 22, 2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"},{"name":"Actively_Exploited_Kev | Oct 19, 2026","url":"https://otx.alienvault.com/pulse/6ad4dda174e5797d0bd238b7","created":"2026-10-18"},{"name":"Actively_Exploited_Kev | Oct 18, 2026","url":"https://otx.alienvault.com/pulse/6ad38c22e1848f8189d1c121","created":"2026-10-17"}],"provenance":"machine"},"cwes":[{"id":"CWE-274","name":"Improper Handling of Insufficient Privileges"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41049","tags":["Patch","Vendor Advisory"]},{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-41049","tags":["Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-41049","tags":["US Government Resource"]}],"techniques":[{"id":"T1204.001","name":"Malicious Link","tactics":["execution"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: User opens crafted file, bypassing MOTW","mappingType":"exploitation_technique","evidence":[{"from":"description","quote":"Windows Mark of the Web Security Feature Bypass Vulnerability","start":0,"end":61}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"},{"id":"T1553.005","name":"Mark-of-the-Web Bypass","tactics":["defense-impairment"],"provenance":"ai","basis":"ai-mapping","bases":["ai-mapping"],"basisDetail":"claude-haiku-5-5: Bypasses Mark of the Web security feature","mappingType":"primary_impact","evidence":[{"from":"description","quote":"Windows Mark of the Web Security Feature Bypass Vulnerability","start":0,"end":61}],"model":"claude-haiku-5-5","confidence":"medium","confidenceNote":"AI-mapped from the description (quote-validated, not expert-reviewed)"}],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2022-44294","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-44294","exploited":true,"exploitedSince":"2022-11-14","provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[{"stage":"exploitation","techniques":["T1204.001"],"provenance":"ai"},{"stage":"primary","techniques":["T1553.005"],"provenance":"ai"}],"timeline":[{"date":"2022-11-09","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-41049","provenance":"source"},{"date":"2022-11-11","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://api.msrc.microsoft.com/cvrf/v3.0/cvrf/2022-Nov","provenance":"source"},{"date":"2022-11-14","kind":"kev","label":"Added to CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","provenance":"source"},{"date":"2022-11-14","kind":"euvd-exploited","label":"ENISA EUVD: exploited","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-44294","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":5},"priority":{"score":58.9,"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 1448 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":17.1,"detail":"percentile 0.8550"},{"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":3.0,"detail":"50 pulses"},{"name":"CVSS severity","points":3.78,"detail":"base score 5.4"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}