CVE-2026-47634 HIGH

CVE-2026-47634: Microsoft SharePoint Server Spoofing Vulnerability

Vendor Microsoft
Product Microsoft SharePoint Server 2019
Weakness CWE-74
Published June 9, 2026
Last update July 8, 2026

CVSS base score

7.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

Key dates

02Disclosure timeline

June 9, 2026 CVE published
July 8, 2026 Record updated

Related vulnerabilities

04Related CVE