Jun 2026: Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2026-45454 Published on June 9, 2026
Microsoft SharePoint Remote Code Execution Vulnerability
Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-45454 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-45454
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Affected Versions
Microsoft SharePoint Enterprise Server 2016:- 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.