Main Vulnerability Database Vulnerabilities #VU126005

Input validation error in Microsoft SharePoint Server - CVE-2026-32201

Published: April 14, 2026 / Updated: April 23, 2026

Vulnerability identifier: #VU126005

CSH Severity: High

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber

CVE-ID: CVE-2026-32201

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vendor: Microsoft

Affected software:
Microsoft SharePoint Server

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can perform spoofing attack.

Note, the vulnerability is being actively exploited in the wild.

Install updates from vendor's website.