{"id":"CVE-2026-70130","aliases":["EUVD-2026-56764","GHSA-rhm8-v74c-45m2"],"status":"published","title":"Microsoft Office Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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":0.00337,"percentile":0.2729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2026-08-11T17:07:11Z","modified":"2026-11-10T22:01:00Z","products":[{"vendor":"microsoft","product":"365_apps"},{"vendor":"microsoft","product":"microsoft 365 apps for enterprise"},{"vendor":"microsoft","product":"microsoft office 2019"},{"vendor":"microsoft","product":"microsoft office ltsc 2021"},{"vendor":"microsoft","product":"microsoft office ltsc 2024"},{"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-2026-70130","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-70130"},{"url":"https://github.com/advisories/GHSA-rhm8-v74c-45m2"}],"sources":{"cve":[{"id":"CVE-2026-70130","title":"Microsoft Office Remote Code Execution Vulnerability","description":"Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-08-11T17:07:11.249Z","modified":"2026-11-10T22:01:00.392Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-10T23:49:31.13916Z"}],"euvd":[{"id":"EUVD-2026-56764","description":"Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-08-11T17:07:11Z","modified":"2026-11-10T22:01:00Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-10T23:24:16.163953Z"}],"ghsa":[{"id":"GHSA-rhm8-v74c-45m2","title":"Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code...","description":"Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-08-11T18:31:46Z","modified":"2026-08-11T18:31:54Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:10:20.59674Z"}],"nvd":[{"id":"CVE-2026-70130","description":"Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.","status":"published","published":"2026-08-11T17:19:07.653Z","modified":"2026-08-14T17:03:59.803Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:12:36.880938Z"}]}}