CVE-2026-45454 MEDIUM

CVE-2026-45454: Microsoft SharePoint Remote Code Execution Vulnerability

Vendor Microsoft
Product Microsoft SharePoint Enterprise Server 2016
Weakness CWE-22 · Path traversal
Published June 9, 2026
Last update June 15, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
June 15, 2026 Record updated