{"schema_version":"1","data":[{"id":163,"advisory_id":"1d73f907-5ca2-453f-b2a2-88da85177be0","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-41091","source_published_at":"2026-05-20T00:00:00+00:00","published_at":"2026-10-24T20:41:50.546804+00:00","extraction_method":"structured","technologies":["core-kev","defender"],"cve_ids":["CVE-2026-41091"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Defender Link Following Vulnerability","summary":"Microsoft Defender contains a link following vulnerability that allows an authorized attacker to elevate privileges locally. CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","evidence":"kev:CVE-2026-41091","products":[{"name":{"value":"Defender","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2026-41091","aliases":["CVE-2026-41091"],"affected":[],"modified":"2026-05-20T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-59"],"cveID":"CVE-2026-41091","notes":"https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-41091 ; https://nvd.nist.gov/vuln/detail/CVE-2026-41091","dueDate":"2026-06-03","product":"Defender","dateAdded":"2026-05-20","vendorProject":"Microsoft","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_exploited":true,"shortDescription":"Microsoft Defender contains a link following vulnerability that allows an authorized attacker to elevate privileges locally.","vulnerabilityName":"Microsoft Defender Link Following Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2026-41091","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":163,"next_before":163}