{"id":"CVE-2025-54901","aliases":["EUVD-2025-27302","GHSA-gfwr-757c-324g"],"status":"published","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00641,"percentile":0.51197,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-126"],"published":"2025-09-09T17:01:27Z","modified":"2026-10-18T21:10:00Z","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_long_term_servicing_channel"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54901","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-54901"},{"url":"https://github.com/advisories/GHSA-gfwr-757c-324g"}],"sources":{"cve":[{"id":"CVE-2025-54901","title":"Microsoft Excel Information Disclosure Vulnerability","description":"Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.","status":"published","published":"2025-09-09T17:01:27.859Z","modified":"2026-02-20T16:00:59.406Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T14:32:27.603809Z"}],"euvd":[{"id":"EUVD-2025-27302","description":"Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.","status":"published","published":"2025-09-09T17:01:27Z","modified":"2026-02-20T16:00:59Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T19:48:36.672162Z"}],"ghsa":[{"id":"GHSA-gfwr-757c-324g","title":"Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose...","description":"Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.","status":"published","published":"2025-09-09T18:31:22Z","modified":"2025-09-09T18:31:27Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T15:03:33.203079Z"}],"nvd":[{"id":"CVE-2025-54901","description":"Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.","status":"published","published":"2025-09-09T17:16:01.323Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-126"],"updated_at":"2026-11-02T14:11:27.73916Z"}]}}