Heap-based Buffer Overflow in Microsoft Office Access by Microsoft

CVE-2026-64906

What is CVE-2026-64906?

A heap-based buffer overflow vulnerability exists in Microsoft Office Access, which could allow a malicious actor to execute arbitrary code on a victim's system. Exploiting this vulnerability requires local access to the affected application, presenting a risk for users who may unknowingly open compromised files. Addressing this issue is critical to maintaining the integrity and security of user data within affected versions of Microsoft Office Access.

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