{"id":"CVE-2021-33768","title":"Microsoft Exchange Server Elevation of Privilege Vulnerability","summary":"Microsoft Exchange Server Elevation of Privilege Vulnerability","severity":"high","cvss":8,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"microsoft","product":"exchange_server","affected":["exchange_server = 2016","exchange_server = 2019"],"published":"2021-07-14","updated":"2026-08-10","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-33768","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-33768","label":"secure@microsoft.com"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-33768","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.01235,"epssPercentile":0.67726,"ingestedAt":"2026-08-10T16:41:15.506Z","slug":"CVE-2021-33768","body":"## Overview\n\nMicrosoft Exchange Server Elevation of Privilege Vulnerability\n\n## Affected\n\n- `exchange_server = 2016`\n- `exchange_server = 2019`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":44,"depthScoreParts":{"impact":44,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}