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7.8 High

CVE-2026-68793 Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally

Description

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Affected products and versions

Product Affected versions Fixed in
Microsoft 365 Apps for Enterprise 16.0 16.0.1 → latest No fix stated
Microsoft Excel 2016 16.0 16.0.0.0 → < 16.0.5565.1001 16.0.5565.1001
Microsoft Office 2019 19.0 19.0.0 → latest No fix stated
Microsoft Office 365 for Mac 1.0 1.0.0 → < 16.112.26081010 16.112.26081010
Microsoft Office LTSC 2021 16.0 16.0.1 → latest No fix stated
Microsoft Office LTSC 2024 16.0 16.0.0 → latest No fix stated
Microsoft Office LTSC for Mac 2021 16.0 16.0.1 → < 16.112.26081010 16.112.26081010
Microsoft Office LTSC for Mac 2024 16.0 16.0.0 → < 16.112.26081010 16.112.26081010
Office Online Server 16.0 16.0.0.0 → < 16.0.10417.20175 16.0.10417.20175

References

Timeline

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