Oct 2026: Microsoft Office Excel Remote Code Execution Vulnerability
CVE-2026-97741 Published on October 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Weakness Types
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
What is an off-by-five Vulnerability?
A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.
CVE-2026-97741 has been classified to as an off-by-five vulnerability or weakness.
Products Associated with CVE-2026-97741
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Affected Versions
Microsoft 365 Apps for Enterprise:- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version 1.0.0 and below 16.114.26101123 is affected.
- Version 16.0.1 and below 16.114.26101123 is affected.
- Version 16.0.0 and below 16.114.26101123 is affected.