{"id":"CVE-2023-38170","aliases":["EUVD-2023-41995","GHSA-m5g9-fvqr-h5pp"],"status":"published","title":"HEVC Video Extensions Remote Code Execution Vulnerability","description":"HEVC Video Extensions Remote Code Execution Vulnerability","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00693,"percentile":0.53191,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2023-08-08T17:08:43Z","modified":"2026-08-10T16:18:35Z","products":[{"vendor":"microsoft","product":"hevc video extension"},{"vendor":"microsoft","product":"hevc video extensions"},{"vendor":"microsoft","product":"hevc_video_extensions"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38170","tags":["vendor-advisory","patch","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-38170"},{"url":"https://github.com/advisories/GHSA-m5g9-fvqr-h5pp"}],"sources":{"cve":[{"id":"CVE-2023-38170","title":"HEVC Video Extensions Remote Code Execution Vulnerability","description":"HEVC Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2023-08-08T17:08:43.944Z","modified":"2026-08-10T15:11:47.762Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:30.116696Z"}],"euvd":[{"id":"EUVD-2023-41995","description":"HEVC Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2023-08-08T17:08:43Z","modified":"2026-08-10T15:11:47Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:03.704262Z"}],"ghsa":[{"id":"GHSA-m5g9-fvqr-h5pp","title":"HEVC Video Extensions Remote Code Execution Vulnerability","description":"HEVC Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2023-08-08T18:30:37Z","modified":"2024-04-11T21:19:48Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:57:10.781816Z"}],"nvd":[{"id":"CVE-2023-38170","description":"HEVC Video Extensions Remote Code Execution Vulnerability","status":"published","published":"2023-08-08T18:15:22.347Z","modified":"2026-08-10T16:18:35.487Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:08:22.812138Z"}]}}