Microsoft Office 365/Office LTSC/Word out-of-bounds

Summaryinfo

A vulnerability classified as problematic was found in Microsoft Office 365, Office LTSC and Word. Affected by this vulnerability is an unknown functionality. Such manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2026-72976. Local access is required to approach this attack. No exploit exists. It is best practice to apply a patch to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Office 365, Office LTSC and Word (version unknown). Affected by this issue is an unknown function. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. CVE summarizes:

Out-of-bounds read in Microsoft Office Word allows an authorized attacker to disclose information locally.

The advisory is available at msrc.microsoft.com. This vulnerability is handled as CVE-2026-72976 since 08/10/2026. The exploitation is known to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available.

Applying a patch is able to eliminate this problem.

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Productinfo

Type

• Word Processing Software

Vendor

• Microsoft

Name

• Office 365
• Office LTSC
• Word

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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