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-2026-70268, CVE-2026-70287, CVE-2026-70301, CVE-2026-70302, CVE-2026-88186,     CVE-2026-88202)

  - Stack-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a     network. (CVE-2026-83891)

  - Use of uninitialized resource in Microsoft Office Word allows an unauthorized attacker to execute code over     a network. (CVE-2026-88150)

  - Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code     locally. (CVE-2026-70220)

  - Stack-based buffer overflow in Microsoft Office Word allows an authorized attacker to elevate privileges     locally. (CVE-2026-96995)

  - Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a     network. (CVE-2026-70206, CVE-2026-70263)

  - Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information over a     network. (CVE-2026-88167)

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

The version of Microsoft Office for Mac installed on the remote host is affected by multiple vulnerabilities as referenced in the october-14-2026 advisory.

  - Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a     network. (CVE-2026-70215, CVE-2026-88144, CVE-2026-88178)

  - Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over     a network. (CVE-2026-100210, CVE-2026-77902, CVE-2026-88145, CVE-2026-97003, CVE-2026-97004,     CVE-2026-97007, CVE-2026-97741, CVE-2026-97748, CVE-2026-97751, CVE-2026-97753, CVE-2026-97754,     CVE-2026-97756, CVE-2026-97757, CVE-2026-97758, CVE-2026-97763, CVE-2026-97765, CVE-2026-97766,     CVE-2026-97768, CVE-2026-97769, CVE-2026-97773, CVE-2026-97776, CVE-2026-97777, CVE-2026-97780)

  - Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
    (CVE-2026-100209, CVE-2026-100211, CVE-2026-100212, CVE-2026-97010, CVE-2026-97017, CVE-2026-97738,     CVE-2026-97745, CVE-2026-97747, CVE-2026-97752, CVE-2026-97759, CVE-2026-97771, CVE-2026-97775)

  - Heap-based buffer overflow in Microsoft Office OneNote allows an unauthorized attacker to execute code     over a network. (CVE-2026-102858)

  - Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code     over a network. (CVE-2026-105599, CVE-2026-88207)

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

ID	Name	Product	Family	Published	Updated	Severity
365625	Security Updates for Microsoft Word Products C2R (October 2026)	Nessus	Windows	10/14/2026	10/15/2026	high
365982	Security Updates for Microsoft Office Products (October 2026) (macOS)	Nessus	MacOS X Local Security Checks	10/14/2026	10/14/2026	critical

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