{"id":"CVE-2025-62564","aliases":["EUVD-2025-202242","GHSA-27g8-w44f-r8gx"],"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 locally.","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":"2026-11-11","score":0.00558,"percentile":0.46949,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2025-12-09T17:55:41Z","modified":"2026-10-14T21:10:00Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"excel"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft excel 2016"},{"vendor":"microsoft","product":"microsoft office 2019"},{"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":"office"},{"vendor":"microsoft","product":"office online server"},{"vendor":"microsoft","product":"office_long_term_servicing_channel"},{"vendor":"microsoft","product":"office_online_server"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62564","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62564"},{"url":"https://github.com/advisories/GHSA-27g8-w44f-r8gx"}],"sources":{"cve":[{"id":"CVE-2025-62564","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-12-09T17:55:41.228Z","modified":"2026-04-16T14:18:36.486Z","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-125"],"updated_at":"2026-11-02T14:32:54.87586Z"}],"euvd":[{"id":"EUVD-2025-202242","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-12-09T17:55:41Z","modified":"2026-04-16T14:18:36Z","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":"2026-11-02T19:24:24.386229Z"}],"ghsa":[{"id":"GHSA-27g8-w44f-r8gx","title":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code...","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-12-09T18:30:46Z","modified":"2025-12-09T18:30:55Z","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"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:05:06.989368Z"}],"nvd":[{"id":"CVE-2025-62564","description":"Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-12-09T18:16:02.453Z","modified":"2026-10-14T21:10:00.183Z","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-125"],"updated_at":"2026-11-02T14:11:49.468427Z"}]}}