Oct 2026: Microsoft Office SharePoint Remote Code Execution Vulnerability
CVE-2026-88155 Published on October 13, 2026
Microsoft Office SharePoint Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Weakness Type
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().
Products Associated with CVE-2026-88155
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Affected Versions
Microsoft SharePoint Server Subscription Edition:- Version 16.0.0 and below 16.0.20326.20190 is affected.