SB20260414129 - Spoofing attack in Microsoft Office SharePoint
Published: April 14, 2026 Updated: April 23, 2026
Security Bulletin ID
SB20260414129
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2026-32201)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 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
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.
Remediation
Install update from vendor's website.