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CVE-2026-88201medium6.5

Microsoft Office Excel Information Disclosure Vulnerability

Impact

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

Source excerpt · microsoft

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

Microsoft · Microsoft 365 Apps for Enterprise

Platforms: 32-bit Systems, x64-based Systems

Version / rangeSource status
16.0.1 to before https://aka.ms/OfficeSecurityReleasesaffected
microsoft version evidence

Microsoft · Microsoft Office LTSC 2021

Platforms: 32-bit Systems, x64-based Systems

Version / rangeSource status
16.0.1 to before 16.0.14334.20974affected
microsoft version evidence

Microsoft · Microsoft Office LTSC 2024

Platforms: 32-bit Systems, x64-based Systems

Version / rangeSource status
16.0.0 to before 16.0.17932.21056affected
microsoft version evidence

Original source description

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

References