Path traversal in Microsoft products - CVE-2026-62837

 

Path traversal in Microsoft products - CVE-2026-62837

Published: August 11, 2026


Vulnerability identifier: #VU141461
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-62837
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in Microsoft SharePoint Server. A remote user can send a specially crafted HTTP request and read arbitrary files on the system.


Affected software

Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server
Microsoft SharePoint Server Subscription Edition

How to mitigate CVE-2026-62837

Install updates from vendor's website.

Microsoft SharePoint Enterprise Server - update to 16.0.5565.1001
Microsoft SharePoint Server - update to 16.0.10417.20198
Microsoft SharePoint Server Subscription Edition - update to 16.0.19725.20522

External References

Related Security Bulletins