Nov 2026: Microsoft Office Outlook Remote Code Execution Vulnerability
CVE-2026-119996 Published on November 10, 2026
Microsoft Office Outlook Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
Vulnerability Analysis
Exploitation:
NONE
Automatable:
NO
Technical Impact:
TOTAL
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-2026-119996
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Affected Versions
Microsoft 365 Apps for Enterprise:- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version 16.0.1 and below 16.0.14334.21048 is affected.
- Version 16.0.0 and below 16.0.17932.21140 is affected.