{"id":"CVE-2026-108434","aliases":["EUVD-2026-102446","GHSA-xmxf-63h5-7cqv"],"status":"published","title":"Microsoft Office Word Information Disclosure Vulnerability","description":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/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":0.0074,"percentile":0.55117,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2026-10-15T20:57:20Z","modified":"2026-11-10T20:34:11Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 365 for mac"},{"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":"microsoft_365"},{"vendor":"microsoft","product":"office_2021"},{"vendor":"microsoft","product":"office_2024"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108434","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108434"},{"url":"https://github.com/advisories/GHSA-xmxf-63h5-7cqv"}],"sources":{"cve":[{"id":"CVE-2026-108434","title":"Microsoft Office Word Information Disclosure Vulnerability","description":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-10-15T20:57:20.932Z","modified":"2026-11-10T20:34:11.613Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/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-125"],"updated_at":"2026-11-10T22:18:25.731086Z"}],"euvd":[{"id":"EUVD-2026-102446","description":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-10-15T20:57:20Z","modified":"2026-11-10T20:34:11Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-10T21:23:24.140442Z"}],"ghsa":[{"id":"GHSA-xmxf-63h5-7cqv","title":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose...","description":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-10-15T21:36:15Z","modified":"2026-10-15T21:36:16Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:13:49.297576Z"}],"nvd":[{"id":"CVE-2026-108434","description":"Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.","status":"published","published":"2026-10-15T21:17:08.777Z","modified":"2026-10-20T12:29:38.117Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:12:59.751798Z"}]}}