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MEDIUM · 6.5

CVE-2026-45454

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.

Vulnerability Description

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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftSharepoint Server< 16.0.19725.20384

Related Weaknesses (CWE)

CWE-22

References

FAQ

What is CVE-2026-45454?

CVE-2026-45454 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.

How severe is CVE-2026-45454?

CVE-2026-45454 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-45454?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Sharepoint Server.