Oct 2026: Microsoft Office Excel Remote Code Execution Vulnerability
CVE-2026-97008 Published on October 13, 2026
Microsoft Office Excel Remote Code Execution Vulnerability
Buffer underwrite ('buffer underflow') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
Weakness Type
What is a buffer underrun Vulnerability?
The software writes to a buffer using an index or pointer that references a memory location prior to the beginning of the buffer. This typically occurs when a pointer or its index is decremented to a position before the buffer, when pointer arithmetic results in a position before the beginning of the valid memory location, or when a negative index is used.
CVE-2026-97008 has been classified to as a buffer underrun vulnerability or weakness.
Products Associated with CVE-2026-97008
Want to know whenever a new CVE is published for Microsoft products? stack.watch will email you.
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 16.0.14334.20974 is affected.
- Version 16.0.0 and below 16.0.17932.21056 is affected.
- Version 16.0.1 and below 16.114.26101123 is affected.
- Version 16.0.0 and below 16.114.26101123 is affected.
- Version 16.0.0.0 and below 16.0.10417.20228 is affected.