{"id":"CVE-2026-105718","aliases":["EUVD-2026-99072","GHSA-v5vx-f5c6-h39j"],"status":"published","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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":"2026-11-12","score":0.00955,"percentile":0.61871,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125","CWE-20"],"published":"2026-10-13T18:59:31Z","modified":"2026-11-10T20:33:58Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 365 for mac"},{"vendor":"microsoft","product":"microsoft office ltsc 2021"},{"vendor":"microsoft","product":"microsoft office ltsc 2024"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2021"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2024"},{"vendor":"microsoft","product":"microsoft_365"},{"vendor":"microsoft","product":"office online server"},{"vendor":"microsoft","product":"office_2021"},{"vendor":"microsoft","product":"office_2024"},{"vendor":"microsoft","product":"office_online_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-105718","tags":["vendor-advisory","patch","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-105718"},{"url":"https://github.com/advisories/GHSA-v5vx-f5c6-h39j"}],"sources":{"cve":[{"id":"CVE-2026-105718","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T18:59:31.179Z","modified":"2026-11-10T20:33:58.331Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/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-125","CWE-20"],"updated_at":"2026-11-10T22:18:25.731086Z"}],"euvd":[{"id":"EUVD-2026-99072","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T18:59:31Z","modified":"2026-11-10T20:33:58Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T21:23:24.140442Z"}],"ghsa":[{"id":"GHSA-v5vx-f5c6-h39j","title":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over...","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T21:33:18Z","modified":"2026-10-13T21:33:18Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:13:13.272556Z"}],"nvd":[{"id":"CVE-2026-105718","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.","status":"published","published":"2026-10-13T19:17:59.75Z","modified":"2026-10-15T21:17:05.7Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-20","CWE-125"],"updated_at":"2026-11-02T14:12:57.132005Z"}]}}