{"api_version":"1","generated_at":"2026-04-23T00:40:43+00:00","cve":"CVE-2022-21887","urls":{"html":"https://cve.report/CVE-2022-21887","api":"https://cve.report/api/cve/CVE-2022-21887.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-21887","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-21887"},"summary":{"title":"CVE-2022-21887","description":"Win32k Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-21882.","state":"PUBLIC","assigner":"secure@microsoft.com","published_at":"2022-01-11 21:15:00","updated_at":"2023-12-21 01:15:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21887","name":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21887","refsource":"MISC","tags":[],"title":"Security Update Guide - Microsoft Security Response Center","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-21887","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21887","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"21887","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_11","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"arm64","cpe13":"*"},{"cve_year":"2022","cve_id":"21887","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"microsoft","cpe5":"windows_11","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"x64","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2022-21887","qid":"91851","title":"Microsoft Windows Security Update for January 2022"}]},"source_records":{"cve_program":{"data_type":"CVE","data_format":"MITRE","data_version":"4.0","CVE_data_meta":{"ASSIGNER":"secure@microsoft.com","ID":"CVE-2022-21887","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Windows 11 for x64-based Systems","version":{"version_data":[{"version_value":""}]}},{"product_name":"Windows 11 for ARM64-based Systems","version":{"version_data":[{"version_value":""}]}}]},"vendor_name":"Microsoft"}]}},"description":{"description_data":[{"lang":"eng","value":"Win32k Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-21882."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Elevation of Privilege"}]}]},"references":{"reference_data":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21887","refsource":"MISC","name":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21887"}]},"impact":{"cvss":{"vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","baseScore":"7.0","temporalScore":"6.1","version":"3.1"}}},"nvd":{"publishedDate":"2022-01-11 21:15:00","lastModifiedDate":"2023-12-21 01:15:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":7.2},"severity":"HIGH","exploitabilityScore":3.9,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"21887","Ordinal":"222928","Title":"CVE-2022-21887","CVE":"CVE-2022-21887","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"21887","Ordinal":"1","NoteData":"Win32k Elevation of Privilege Vulnerability. This CVE ID is unique from CVE-2022-21882.","Type":"Description","Title":null},{"CveYear":"2022","CveId":"21887","Ordinal":"2","NoteData":"2022-01-11","Type":"Other","Title":"Published"},{"CveYear":"2022","CveId":"21887","Ordinal":"3","NoteData":"2022-01-11","Type":"Other","Title":"Modified"}]}}}