{"id":"CVE-2022-22040","aliases":["EUVD-2022-27194","GHSA-8fp6-xwm6-hv42"],"status":"published","title":"Internet Information Services Dynamic Compression Module Denial of Service Vulnerability","description":"Internet Information Services Dynamic Compression Module Denial of Service Vulnerability","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01498,"percentile":0.7441,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2022-07-12T22:37:08Z","modified":"2026-06-17T04:27:32Z","products":[{"vendor":"microsoft","product":"windows 10 version 1507"},{"vendor":"microsoft","product":"windows 10 version 1607"},{"vendor":"microsoft","product":"windows 10 version 1809"},{"vendor":"microsoft","product":"windows 10 version 20h2"},{"vendor":"microsoft","product":"windows 10 version 21h1"},{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows 7"},{"vendor":"microsoft","product":"windows 7 service pack 1"},{"vendor":"microsoft","product":"windows 8.1"},{"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_10"},{"vendor":"microsoft","product":"windows_11"},{"vendor":"microsoft","product":"windows_7"},{"vendor":"microsoft","product":"windows_8.1"},{"vendor":"microsoft","product":"windows_rt_8.1"},{"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-2022-22040","tags":["vendor-advisory","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-22040"},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-22040"},{"url":"https://github.com/advisories/GHSA-8fp6-xwm6-hv42"}],"sources":{"cve":[{"id":"CVE-2022-22040","title":"Internet Information Services Dynamic Compression Module Denial of Service Vulnerability","description":"Internet Information Services Dynamic Compression Module Denial of Service Vulnerability","status":"published","published":"2022-07-12T22:37:08Z","modified":"2025-07-08T15:36:20.636Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:34:26.645563Z"}],"euvd":[{"id":"EUVD-2022-27194","description":"Internet Information Services Dynamic Compression Module Denial of Service Vulnerability","status":"published","published":"2022-07-12T22:37:08Z","modified":"2025-07-08T15:36:20Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T20:32:12.052108Z"}],"ghsa":[{"id":"GHSA-8fp6-xwm6-hv42","title":"Internet Information Services Dynamic Compression Module Denial of Service Vulnerability.","description":"Internet Information Services Dynamic Compression Module Denial of Service Vulnerability.","status":"published","published":"2022-07-13T00:00:39Z","modified":"2023-05-26T05:00:44Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:54:36.625859Z"}],"nvd":[{"id":"CVE-2022-22040","description":"Internet Information Services Dynamic Compression Module Denial of Service Vulnerability","status":"published","published":"2022-07-12T23:15:09.867Z","modified":"2026-06-17T04:27:32.983Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:23.322724Z"}]}}