{"id":"CVE-2026-70317","aliases":["EUVD-2026-56576","GHSA-c7fx-4994-8gjq"],"status":"published","title":"Microsoft Office Information Disclosure Vulnerability","description":"Use of uninitialized resource in Microsoft Office 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":"2026-11-10","score":0.00435,"percentile":0.38084,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-908"],"published":"2026-08-11T17:05:25Z","modified":"2026-10-30T17:21:10Z","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 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_2016"},{"vendor":"microsoft","product":"office_2019"},{"vendor":"microsoft","product":"office_2021"},{"vendor":"microsoft","product":"office_2024"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70317","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70317"},{"url":"https://github.com/advisories/GHSA-c7fx-4994-8gjq"}],"sources":{"cve":[{"id":"CVE-2026-70317","title":"Microsoft Office Information Disclosure Vulnerability","description":"Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.","status":"published","published":"2026-08-11T17:05:25.289Z","modified":"2026-10-30T17:21:10.746Z","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-908"],"updated_at":"2026-11-02T13:35:10.963527Z"}],"euvd":[{"id":"EUVD-2026-56576","description":"Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.","status":"published","published":"2026-08-11T17:05:25Z","modified":"2026-10-30T17:21:10Z","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":"2026-11-02T16:59:04.296921Z"}],"ghsa":[{"id":"GHSA-c7fx-4994-8gjq","title":"Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose...","description":"Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.","status":"published","published":"2026-08-11T18:31:47Z","modified":"2026-08-11T18:31:54Z","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-908"],"updated_at":"2026-11-02T15:10:20.59674Z"}],"nvd":[{"id":"CVE-2026-70317","description":"Use of uninitialized resource in Microsoft Office allows an unauthorized attacker to disclose information locally.","status":"published","published":"2026-08-11T17:19:09.17Z","modified":"2026-08-14T17:40:06.77Z","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"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-908"],"updated_at":"2026-11-02T14:12:36.880938Z"}]}}