CVE-2026-32201: Microsoft SharePoint Server Improper Input Validation Vulnerability

CVE ID

CVE-2026-32201

Vulnerability Name

Microsoft SharePoint Server Improper Input Validation Vulnerability

• Project: Microsoft
• Product: SharePoint Server

Date

• Date Added: 2026-04-14
• Due Date: 2026-04-28

Description

Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network.

Known To Be Used in Ransomware Campaigns?

Unknown

Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Additional Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-32201 ; https://nvd.nist.gov/vuln/detail/CVE-2026-32201

Related Security News

• Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days

More CVEs Info

Common Vulnerabilities & Exposures (CVE) List