{"schema_version":"1","data":[{"id":3657,"advisory_id":"cd0b90c8-c5b6-487c-9aae-039bcddf42ad","revision":1,"source_id":"core-kev","source_url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2020-1054","source_published_at":"2021-11-03T00:00:00+00:00","published_at":"2026-10-24T21:38:34.141292+00:00","extraction_method":"structured","technologies":["core-kev","win32k"],"cve_ids":["CVE-2020-1054"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"Microsoft Win32k Privilege Escalation Vulnerability","summary":"Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode. CISA required action: Apply updates per vendor instructions.","evidence":"kev:CVE-2020-1054","products":[{"name":{"value":"Win32k","evidence":"/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"unknown","structured":{"id":"CVE-2020-1054","aliases":["CVE-2020-1054"],"affected":[],"modified":"2021-11-03T00:00:00.000Z","provider":"kev","references":["https://www.cisa.gov/known-exploited-vulnerabilities-catalog"],"exploitation":{"cwes":["CWE-787"],"cveID":"CVE-2020-1054","notes":"https://nvd.nist.gov/vuln/detail/CVE-2020-1054","dueDate":"2022-05-03","product":"Win32k","dateAdded":"2021-11-03","vendorProject":"Microsoft","requiredAction":"Apply updates per vendor instructions.","known_exploited":true,"shortDescription":"Microsoft Win32k contains a privilege escalation vulnerability when the Windows kernel-mode driver fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.","vulnerabilityName":"Microsoft Win32k Privilege Escalation Vulnerability","knownRansomwareCampaignUse":"Unknown"}},"related_cves":[{"value":"CVE-2020-1054","evidence":"/cveID"}],"security_relevant":true,"severity_evidence":null}}],"next_after":3657,"next_before":3657}