{"id":"CVE-2025-29823","aliases":["EUVD-2025-10121","GHSA-7883-gj3f-26q9"],"status":"published","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Use after free 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":"2026-11-10","score":0.00701,"percentile":0.53536,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2025-04-08T17:23:33Z","modified":"2026-08-10T15:12:28Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29823","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29823"},{"url":"https://github.com/advisories/GHSA-7883-gj3f-26q9"}],"sources":{"cve":[{"id":"CVE-2025-29823","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-04-08T17:23:33.416Z","modified":"2026-08-10T15:12:28.172Z","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-416"],"updated_at":"2026-11-02T14:32:45.797843Z"}],"euvd":[{"id":"EUVD-2025-10121","description":"Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-04-08T17:23:33Z","modified":"2026-08-10T15:12:28Z","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":"2026-11-02T18:02:03.332437Z"}],"ghsa":[{"id":"GHSA-7883-gj3f-26q9","title":"Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","description":"Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-04-08T18:34:57Z","modified":"2025-04-08T18:35:05Z","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-416"],"updated_at":"2026-11-02T15:00:51.712066Z"}],"nvd":[{"id":"CVE-2025-29823","description":"Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-04-08T18:16:08.19Z","modified":"2026-06-17T09:05:43.853Z","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-416"],"updated_at":"2026-11-02T14:11:00.087098Z"}]}}