Microsoft Office out-of-bounds

Summaryinfo

A vulnerability described as problematic has been identified in Microsoft Office. This vulnerability affects unknown code. The manipulation results in out-of-bounds. This vulnerability is known as CVE-2026-55035. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Office (unknown version). Affected is an unknown code block. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. CVE summarizes:

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

The advisory is available at msrc.microsoft.com. This vulnerability is traded as CVE-2026-55035 since 06/16/2026. The exploitability is told to be easy. Local access is required to approach this attack. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 07/14/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Office Suite Software

Vendor

• Microsoft

Name

• Office

License

• commercial

Website

• Vendor: https://www.microsoft.com/

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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