Heap-Based Buffer Overflow in Microsoft Excel by Microsoft

CVE-2026-40362

What is CVE-2026-40362?

A heap-based buffer overflow vulnerability in Microsoft Office Excel enables an unauthorized attacker to execute code on the local system. This security issue may be exploited to gain control over the affected application, potentially leading to unauthorized access and manipulation of sensitive data. Users are advised to apply the available updates promptly to mitigate any associated risks. For detailed information and patch instructions, refer to the Microsoft advisory.

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