{"schemaVersion":3,"id":"CVE-2022-21971","aliases":[],"status":"published","duplicateOf":null,"title":"Microsoft Windows Runtime Remote Code Execution Vulnerability","description":"Windows Runtime Remote Code Execution Vulnerability","dates":{"published":"2022-02-09T16:36:25.000Z","modified":"2025-10-21T23:15:48.111Z","reserved":null,"kevAdded":["2022-08-18T00:00:00.000Z"],"kevDue":["2022-09-08T00:00:00.000Z"]},"cvss":{"headline":{"score":9.3,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":9.3,"severity":"high","vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.53934,"percentile":0.98994,"severity":"critical","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.53934},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.53934,"percentile":0.98994}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.53934,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.53934,"percentile":0.98994}]},"kev":{"state":"listed","entries":[{"source":"cisa","sourceLabel":"CISA","dateAdded":"2022-08-18T00:00:00.000Z","dueDate":"2022-09-08T00:00:00.000Z","requiredAction":"Apply updates per vendor instructions.","name":"Microsoft Windows Runtime Remote Code Execution Vulnerability","description":"Microsoft Windows Runtime contains an unspecified vulnerability that allows for remote code execution.","notes":[{"type":"url","href":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971","label":"msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971"},{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2022-21971","label":"nvd.nist.gov/vuln/detail/CVE-2022-21971"}],"vendor":"Microsoft","product":"Windows","ransomware":false,"ransomwareUse":"Unknown","exploitationType":null}],"listedCount":1,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":true,"entry":{"source":"cisa","sourceLabel":"CISA","dateAdded":"2022-08-18T00:00:00.000Z","dueDate":"2022-09-08T00:00:00.000Z","requiredAction":"Apply updates per vendor instructions.","name":"Microsoft Windows Runtime Remote Code Execution Vulnerability","description":"Microsoft Windows Runtime contains an unspecified vulnerability that allows for remote code execution.","notes":[{"type":"url","href":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971","label":"msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971"},{"type":"url","href":"https://nvd.nist.gov/vuln/detail/CVE-2022-21971","label":"nvd.nist.gov/vuln/detail/CVE-2022-21971"}],"vendor":"Microsoft","product":"Windows","ransomware":false,"ransomwareUse":"Unknown","exploitationType":null}},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-824","name":"Access of Uninitialized Pointer","description":"The product accesses or uses a pointer that has not been initialized.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/824.html"}],"affected":[{"vendor":"microsoft","product":"windows_10_1809","name":"windows 10 1809","label":"windows_10_1809","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 10.0.17763.2565","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 10.0.17763.2565","eol":null,"hubHref":"/vendor/microsoft/windows_10_1809"},{"vendor":"microsoft","product":"windows_10_1909","name":"windows 10 1909","label":"windows_10_1909","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 10.0.18363.2094","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 10.0.18363.2094","eol":null,"hubHref":"/vendor/microsoft/windows_10_1909"},{"vendor":"microsoft","product":"windows_10_20h2","name":"windows 10 20h2","label":"windows_10_20h2","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 10.0.19042.1526","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 10.0.19042.1526","eol":null,"hubHref":"/vendor/microsoft/windows_10_20h2"},{"vendor":"microsoft","product":"windows_10_21h1","name":"windows 10 21h1","label":"windows_10_21h1","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 10.0.19043.1526","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 10.0.19043.1526","eol":null,"hubHref":"/vendor/microsoft/windows_10_21h1"},{"vendor":"microsoft","product":"windows_10_21h2","name":"windows 10 21h2","label":"windows_10_21h2","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 10.0.19044.1526","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 10.0.19044.1526","eol":null,"hubHref":"/vendor/microsoft/windows_10_21h2"},{"vendor":"microsoft","product":"windows 10 version 1809","name":"Windows 10 Version 1809","label":"windows 10 version 1809","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.17763.0, < 10.0.17763.2565","noFixRecorded":false,"fixedIn":null},{"text":"≥ 10.0.0, < 10.0.17763.2565","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.17763.0, < 10.0.17763.2565 | ≥ 10.0.0, < 10.0.17763.2565","eol":null,"hubHref":"/vendor/microsoft/windows_10_version_1809"},{"vendor":"microsoft","product":"windows 10 version 1909","name":"Windows 10 Version 1909","label":"windows 10 version 1909","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.0, < 10.0.18363.2094","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.0, < 10.0.18363.2094","eol":null,"hubHref":"/vendor/microsoft/windows_10_version_1909"},{"vendor":"microsoft","product":"windows 10 version 20h2","name":"Windows 10 Version 20H2","label":"windows 10 version 20h2","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.0, < 10.0.19042.1526","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.0, < 10.0.19042.1526","eol":null,"hubHref":"/vendor/microsoft/windows_10_version_20h2"},{"vendor":"microsoft","product":"windows 10 version 21h1","name":"Windows 10 Version 21H1","label":"windows 10 version 21h1","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.0, < 10.0.19043.1526","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.0, < 10.0.19043.1526","eol":null,"hubHref":"/vendor/microsoft/windows_10_version_21h1"},{"vendor":"microsoft","product":"windows 10 version 21h2","name":"Windows 10 Version 21H2","label":"windows 10 version 21h2","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.19043.0, < 10.0.19044.1526","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.19043.0, < 10.0.19044.1526","eol":null,"hubHref":"/vendor/microsoft/windows_10_version_21h2"},{"vendor":"microsoft","product":"windows_11_21h2","name":"windows 11 21h2","label":"windows_11_21h2","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 10.0.22000.493","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 10.0.22000.493","eol":null,"hubHref":"/vendor/microsoft/windows_11_21h2"},{"vendor":"microsoft","product":"windows 11 version 21h2","name":"Windows 11 version 21H2","label":"windows 11 version 21h2","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.0, < 10.0.22000.493","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.0, < 10.0.22000.493","eol":null,"hubHref":"/vendor/microsoft/windows_11_version_21h2"},{"vendor":"microsoft","product":"windows_server_2019","name":"windows server 2019","label":"windows_server_2019","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.17763.0, < 10.0.17763.2565","noFixRecorded":false,"fixedIn":null},{"text":"< 10.0.17763.2565","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.17763.0, < 10.0.17763.2565 | < 10.0.17763.2565","eol":null,"hubHref":"/vendor/microsoft/windows_server_2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)","name":"Windows Server 2019 (Server Core installation)","label":"windows server 2019 (server core installation)","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.17763.0, < 10.0.17763.2565","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.17763.0, < 10.0.17763.2565","eol":null,"hubHref":"/vendor/microsoft/windows_server_2019_server_core_installation"},{"vendor":"microsoft","product":"windows_server_2022","name":"windows server 2022","label":"windows_server_2022","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.20348.0, < 10.0.20348.524","noFixRecorded":false,"fixedIn":null},{"text":"< 10.0.20348.524","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.20348.0, < 10.0.20348.524 | < 10.0.20348.524","eol":null,"hubHref":"/vendor/microsoft/windows_server_2022"},{"vendor":"microsoft","product":"windows_server_20h2","name":"windows server 20h2","label":"windows_server_20h2","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"< 10.0.19042.1526","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 10.0.19042.1526","eol":null,"hubHref":"/vendor/microsoft/windows_server_20h2"},{"vendor":"microsoft","product":"windows server version 20h2","name":"Windows Server version 20H2","label":"windows server version 20h2","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 10.0.0, < 10.0.19042.1526","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 10.0.0, < 10.0.19042.1526","eol":null,"hubHref":"/vendor/microsoft/windows_server_version_20h2"}],"affectedCount":17,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971","label":"msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971","hostname":"msrc.microsoft.com","tags":["Vendor Advisory","Patch"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21971","label":"www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21971","hostname":"www.cisa.gov","tags":["Government Resource","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-02-09T16:36:25.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"kev-added","date":"2022-08-18T00:00:00.000Z","label":"Added to CISA KEV","detail":"Microsoft Windows Runtime Remote Code Execution Vulnerability","source":"cisa"},{"kind":"kev-due","date":"2022-09-08T00:00:00.000Z","label":"CISA remediation due","detail":"Apply updates per vendor instructions.","source":"cisa"},{"kind":"modified","date":"2025-10-21T23:15:48.111Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":85,"level":"critical","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T22:18:35.149Z","stale":false,"partial":false}}