The Microsoft Word Products are missing security updates. It is, therefore, affected by multiple vulnerabilities:

  - Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a     network. (CVE-2026-69671, CVE-2026-69764, CVE-2026-72972, CVE-2026-72973, CVE-2026-78510, CVE-2026-78511,     CVE-2026-78517, CVE-2026-78521, CVE-2026-80085)

  - Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a     network. (CVE-2026-69686, CVE-2026-69722, CVE-2026-69759, CVE-2026-78504)

  - Use after free in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
    (CVE-2026-78507, CVE-2026-78514)

  - Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over     a network. (CVE-2026-78509)

  - Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a     network. (CVE-2026-78502, CVE-2026-78503, CVE-2026-78522, CVE-2026-80079, CVE-2026-80088, CVE-2026-80090)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Detections

Analytics

Security Updates for Microsoft Word Products C2R (September 2026)

critical Nessus Plugin ID 344562

Version 1.4