{"id":"CVE-2019-1373","aliases":["EUVD-2019-9930","GHSA-24mr-37ph-25xf"],"status":"published","title":"A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of...","description":"A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.21676,"percentile":0.97649,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2019-11-12T18:52:50Z","modified":"2026-06-17T02:28:29Z","products":[{"vendor":"microsoft","product":"exchange_server"},{"vendor":"microsoft","product":"microsoft exchange server 2013"},{"vendor":"microsoft","product":"microsoft exchange server 2016"},{"vendor":"microsoft","product":"microsoft exchange server 2016 cumulative update 14"},{"vendor":"microsoft","product":"microsoft exchange server 2019"},{"vendor":"microsoft","product":"microsoft exchange server 2019 cumulative update 3"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1373","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-1373"},{"url":"https://github.com/advisories/GHSA-24mr-37ph-25xf"}],"sources":{"cve":[{"id":"CVE-2019-1373","description":"A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.","status":"published","published":"2019-11-12T18:52:50Z","modified":"2024-08-04T18:13:30.472Z","updated_at":"2026-11-02T14:20:26.034547Z"}],"euvd":[{"id":"EUVD-2019-9930","description":"A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.","status":"published","published":"2019-11-12T18:52:50Z","modified":"2024-08-04T18:13:30Z","updated_at":"2026-11-03T03:06:58.233851Z"}],"ghsa":[{"id":"GHSA-24mr-37ph-25xf","title":"A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of...","description":"A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.","status":"published","published":"2022-05-24T22:01:09Z","modified":"2023-01-30T05:05:11Z","updated_at":"2026-11-02T14:47:12.945495Z"}],"nvd":[{"id":"CVE-2019-1373","description":"A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.","status":"published","published":"2019-11-12T19:15:12.003Z","modified":"2026-06-17T02:28:29.097Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:05:35.052973Z"}]}}