Jun 2026: Microsoft Office Remote Code Execution Vulnerability
CVE-2026-44824 Published on June 9, 2026
Microsoft Office Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.
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-2026-44824
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Affected Versions
Microsoft 365 Apps for Enterprise:- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version 16.0.0 and below 16.0.5556.1005 is affected.
- Version 19.0.0 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version - is affected.
- Version 16.0.1 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version 16.0.0 and below https://aka.ms/OfficeSecurityReleases is affected.
- Version - is affected.
- Version - is affected.
- Version 16.0.0 and below 16.0.5556.1005 is affected.
- Version 16.0.0 and below 16.0.10417.20153 is affected.
- Version 16.0.0 and below 16.0.19725.20384 is affected.