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CVE-2026-69477 Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally

Description

Heap-based buffer overflow in Microsoft Office Access allows an authorized attacker to execute code locally.

Affected products and versions

Product Affected versions Fixed in
Microsoft 365 Apps for Enterprise 16.0 16.0.1 → < 16.0.20326.20138 16.0.20326.20138
Microsoft Access 2016 16.0 16.0.0 → < 16.0.5569.1000 16.0.5569.1000
Microsoft Access 2016 (32-bit edition) 16.0 16.0.0 → < 16.0.5569.1000 16.0.5569.1000
Microsoft Office 2019 16.0 earliest → < 16.0.10417.20207 16.0.10417.20207
Microsoft Office LTSC 2021 16.0 16.0.1 → < 16.0.14334.20906 16.0.14334.20906
Microsoft Office LTSC 2024 16.0 16.0.0 → < 16.0.17932.20976 16.0.17932.20976

References

Timeline

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