{"id":"CVE-2026-42832","aliases":["EUVD-2026-29712","GHSA-857p-384w-97mc"],"status":"published","title":"Microsoft Office Spoofing Vulnerability","description":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00222,"percentile":0.12926,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2026-05-12T16:59:34Z","modified":"2026-10-26T18:10:00Z","products":[{"vendor":"microsoft","product":"excel"},{"vendor":"microsoft","product":"microsoft excel for android"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2021"},{"vendor":"microsoft","product":"microsoft office ltsc for mac 2024"},{"vendor":"microsoft","product":"microsoft word for android"},{"vendor":"microsoft","product":"office"},{"vendor":"microsoft","product":"office_long_term_servicing_channel"},{"vendor":"microsoft","product":"word"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42832","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42832"},{"url":"https://github.com/advisories/GHSA-857p-384w-97mc"}],"sources":{"cve":[{"id":"CVE-2026-42832","title":"Microsoft Office Spoofing Vulnerability","description":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.","status":"published","published":"2026-05-12T16:59:34.81Z","modified":"2026-08-10T15:13:42.53Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T13:40:23.731501Z"}],"euvd":[{"id":"EUVD-2026-29712","description":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.","status":"published","published":"2026-05-12T16:59:34Z","modified":"2026-08-10T15:13:42Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T18:02:01.941928Z"}],"ghsa":[{"id":"GHSA-857p-384w-97mc","title":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing...","description":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.","status":"published","published":"2026-05-12T18:30:47Z","modified":"2026-05-12T18:30:54Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:08:05.647564Z"}],"nvd":[{"id":"CVE-2026-42832","description":"Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.","status":"published","published":"2026-05-12T18:17:25.8Z","modified":"2026-10-26T18:10:00.173Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:12:18.613259Z"}]}}