{"id":"CVE-2026-108457","aliases":["EUVD-2026-99032","GHSA-5vcp-c5rc-rq78"],"status":"published","title":"Microsoft Windows PDF Remote Code Execution Vulnerability","description":"Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00763,"percentile":0.55816,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2026-10-13T18:59:24Z","modified":"2026-11-10T20:33:19Z","products":[{"vendor":"microsoft","product":"windows 10 version 21h2"},{"vendor":"microsoft","product":"windows 10 version 22h2"},{"vendor":"microsoft","product":"windows 11 version 23h2"},{"vendor":"microsoft","product":"windows server 2022"},{"vendor":"microsoft","product":"windows server 2025"},{"vendor":"microsoft","product":"windows server 2025 (server core installation)"},{"vendor":"microsoft","product":"windows_10_21h2"},{"vendor":"microsoft","product":"windows_10_22h2"},{"vendor":"microsoft","product":"windows_11_23h2"},{"vendor":"microsoft","product":"windows_server_2022"},{"vendor":"microsoft","product":"windows_server_2025"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108457","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108457"},{"url":"https://github.com/advisories/GHSA-5vcp-c5rc-rq78"}],"sources":{"cve":[{"id":"CVE-2026-108457","title":"Microsoft Windows PDF Remote Code Execution Vulnerability","description":"Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T18:59:24.552Z","modified":"2026-11-10T20:33:19.477Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-10T22:18:25.731086Z"}],"euvd":[{"id":"EUVD-2026-99032","description":"Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T18:59:24Z","modified":"2026-11-10T20:33:19Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T21:23:24.140442Z"}],"ghsa":[{"id":"GHSA-5vcp-c5rc-rq78","title":"Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over...","description":"Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T21:33:27Z","modified":"2026-10-13T21:33:29Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:13:13.272556Z"}],"nvd":[{"id":"CVE-2026-108457","description":"Out-of-bounds write in Microsoft Windows PDF allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T19:18:05.437Z","modified":"2026-10-26T20:15:54.85Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}