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CVE-2025-54903 Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally

Description

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Affected products and versions

Product Affected versions Fixed in
Office Online Server 16.0 16.0.0.0 → < 16.0.10417.20047 16.0.10417.20047
Microsoft Office 2019 19.0 19.0.0 → latest No fix stated
Microsoft 365 Apps for Enterprise 16.0 16.0.1 → latest No fix stated
Microsoft Office LTSC for Mac 2021 16.0 16.0.1 → < 16.101.25091314 16.101.25091314
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 2024 16.0 16.0.0 → < 16.101.25091314 16.101.25091314
Microsoft Excel 2016 16.0 16.0.0.0 → < 16.0.5517.1000 16.0.5517.1000

References

Timeline

  1. Published
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The 200 CVEs of Office Online Server →
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