{"id":"CVE-2025-29791","aliases":["EUVD-2025-10120","GHSA-ccx5-jh35-2p3c"],"status":"published","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Access of resource using incompatible type ('type confusion') in Microsoft Office 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":0.01064,"percentile":0.64962,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-843"],"published":"2025-04-08T17:23:28Z","modified":"2026-08-10T15:12:23Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 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_long_term_servicing_channel"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29791","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-29791"},{"url":"https://github.com/advisories/GHSA-ccx5-jh35-2p3c"}],"sources":{"cve":[{"id":"CVE-2025-29791","title":"Microsoft Excel Remote Code Execution Vulnerability","description":"Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-04-08T17:23:28.86Z","modified":"2026-08-10T15:12:23.741Z","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-843"],"updated_at":"2026-11-02T14:32:45.797843Z"}],"euvd":[{"id":"EUVD-2025-10120","description":"Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-04-08T17:23:28Z","modified":"2026-08-10T15:12:23Z","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-ccx5-jh35-2p3c","title":"Access of resource using incompatible type ('type confusion') in Microsoft Office allows an...","description":"Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-04-08T18:34:56Z","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-843"],"updated_at":"2026-11-02T15:00:51.712066Z"}],"nvd":[{"id":"CVE-2025-29791","description":"Access of resource using incompatible type ('type confusion') in Microsoft Office allows an unauthorized attacker to execute code locally.","status":"published","published":"2025-04-08T18:16:05.003Z","modified":"2026-06-17T09:05:40.687Z","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-843"],"updated_at":"2026-11-02T14:11:00.087098Z"}]}}