{"id":"CVE-2023-35298","aliases":["EUVD-2023-39301","GHSA-3wg4-9v5r-3g2h"],"status":"published","title":"HTTP.sys Denial of Service Vulnerability","description":"HTTP.sys Denial of Service Vulnerability","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01778,"percentile":0.7838,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2023-07-11T17:03:20Z","modified":"2026-06-17T06:04:36Z","products":[{"vendor":"microsoft","product":"windows 11 version 21h2"},{"vendor":"microsoft","product":"windows 11 version 22h2"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows_11_21h2"},{"vendor":"microsoft","product":"windows_11_22h2"},{"vendor":"microsoft","product":"windows_server_2022"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35298","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-35298"},{"url":"https://github.com/advisories/GHSA-3wg4-9v5r-3g2h"}],"sources":{"cve":[{"id":"CVE-2023-35298","title":"HTTP.sys Denial of Service Vulnerability","description":"HTTP.sys Denial of Service Vulnerability","status":"published","published":"2023-07-11T17:03:20.978Z","modified":"2025-01-01T01:52:56.004Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:33.794347Z"}],"euvd":[{"id":"EUVD-2023-39301","description":"HTTP.sys Denial of Service Vulnerability","status":"published","published":"2023-07-11T17:03:20Z","modified":"2025-01-01T01:52:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:04:29.948913Z"}],"ghsa":[{"id":"GHSA-3wg4-9v5r-3g2h","title":"HTTP.sys Denial of Service Vulnerability","description":"HTTP.sys Denial of Service Vulnerability","status":"published","published":"2023-07-11T18:31:26Z","modified":"2024-04-04T05:58:29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T14:56:37.597078Z"}],"nvd":[{"id":"CVE-2023-35298","description":"HTTP.sys Denial of Service Vulnerability","status":"published","published":"2023-07-11T18:15:16.543Z","modified":"2026-06-17T06:04:36.23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:08:15.91037Z"}]}}