{"id":"CVE-2022-26820","aliases":["EUVD-2022-31370","GHSA-h349-mgv6-6cmc"],"status":"published","title":"Windows DNS Server Remote Code Execution Vulnerability","description":"Windows DNS Server Remote Code Execution Vulnerability","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01929,"percentile":0.80169,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362"],"published":"2022-04-15T19:05:08Z","modified":"2026-06-17T04:35:54Z","products":[{"vendor":"microsoft","product":"windows server 2008  service pack 2"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1"},{"vendor":"microsoft","product":"windows server 2008 r2 service pack 1 (server core installation)"},{"vendor":"microsoft","product":"windows server 2008 service pack 2"},{"vendor":"microsoft","product":"windows server 2008 service pack 2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012"},{"vendor":"microsoft","product":"windows server 2012 (server core installation)"},{"vendor":"microsoft","product":"windows server 2012 r2"},{"vendor":"microsoft","product":"windows server 2012 r2 (server core installation)"},{"vendor":"microsoft","product":"windows server 2016"},{"vendor":"microsoft","product":"windows server 2016 (server core installation)"},{"vendor":"microsoft","product":"windows server 2019"},{"vendor":"microsoft","product":"windows server 2019 (server core installation)"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server version 20h2"},{"vendor":"microsoft","product":"windows_server_2008"},{"vendor":"microsoft","product":"windows_server_2012"},{"vendor":"microsoft","product":"windows_server_2016"},{"vendor":"microsoft","product":"windows_server_2019"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26820","tags":["vendor-advisory","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-26820"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26820"},{"url":"https://github.com/advisories/GHSA-h349-mgv6-6cmc"}],"sources":{"cve":[{"id":"CVE-2022-26820","title":"Windows DNS Server Remote Code Execution Vulnerability","description":"Windows DNS Server Remote Code Execution Vulnerability","status":"published","published":"2022-04-15T19:05:08Z","modified":"2025-01-02T18:52:05.994Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:34:25.954329Z"}],"euvd":[{"id":"EUVD-2022-31370","description":"Windows DNS Server Remote Code Execution Vulnerability","status":"published","published":"2022-04-15T19:05:08Z","modified":"2025-01-02T18:52:05Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:04:28.496186Z"}],"ghsa":[{"id":"GHSA-h349-mgv6-6cmc","title":"Windows DNS Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-24536...","description":"Windows DNS Server Remote Code Execution Vulnerability. This CVE ID is unique from CVE-2022-24536, CVE-2022-26811, CVE-2022-26812, CVE-2022-26813, CVE-2022-26814, CVE-2022-26815, CVE-2022-26817, CVE-2022-26818, CVE-2022-26819, CVE-2022-26821, CVE-2022-26822, CVE-2022-26823, CVE-2022-26824, CVE-2022-26825, CVE-2022-26826, CVE-2022-26829.","status":"published","published":"2022-04-16T00:00:31Z","modified":"2023-06-29T03:30:31Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:54:39.908875Z"}],"nvd":[{"id":"CVE-2022-26820","description":"Windows DNS Server Remote Code Execution Vulnerability","status":"published","published":"2022-04-15T19:15:14.09Z","modified":"2026-06-17T04:35:54.01Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":8.5,"vector":"AV:N/AC:M/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:07:16.9948Z"}]}}