{"id":"CVE-2021-28452","aliases":["EUVD-2021-15131","GHSA-8499-m9hr-266h"],"status":"published","title":"Microsoft Outlook Memory Corruption Vulnerability","description":"Microsoft Outlook Memory Corruption Vulnerability","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01384,"percentile":0.7255,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-787"],"published":"2021-04-13T19:33:34Z","modified":"2026-06-17T03:46:23Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 2019"},{"vendor":"microsoft","product":"microsoft outlook 2010 service pack 2"},{"vendor":"microsoft","product":"microsoft outlook 2013 service pack 1"},{"vendor":"microsoft","product":"microsoft outlook 2016"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"outlook"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28452","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28452"},{"url":"https://github.com/advisories/GHSA-8499-m9hr-266h"}],"sources":{"cve":[{"id":"CVE-2021-28452","title":"Microsoft Outlook Memory Corruption Vulnerability","description":"Microsoft Outlook Memory Corruption Vulnerability","status":"published","published":"2021-04-13T19:33:34Z","modified":"2024-08-03T21:40:14.296Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-15131","description":"Microsoft Outlook Memory Corruption Vulnerability","status":"published","published":"2021-04-13T19:33:34Z","modified":"2024-08-03T21:40:14Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:24:46.751124Z"}],"ghsa":[{"id":"GHSA-8499-m9hr-266h","title":"Microsoft Outlook Memory Corruption Vulnerability","description":"Microsoft Outlook Memory Corruption Vulnerability","status":"published","published":"2022-05-24T17:47:26Z","modified":"2023-01-29T05:06:22Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119","CWE-787"],"updated_at":"2026-11-02T14:46:00.528527Z"}],"nvd":[{"id":"CVE-2021-28452","description":"Microsoft Outlook Memory Corruption Vulnerability","status":"published","published":"2021-04-13T20:15:20.28Z","modified":"2026-06-17T03:46:23.163Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}