CVE-2026-32201

Microsoft SharePoint Server Improper Input Validation Vulnerability

Microsoft — SharePoint Server

Added to KEV catalog: 14 April 2026
Federal remediation due date: 28 April 2026
Weakness classification (CWE): CWE-20

CISA Description

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

Required 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.

Notes

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

View on NVD View on MITRE CVE View full CISA catalog

More Microsoft Vulnerabilities

CVE-2026-65660

Microsoft SharePoint Code Injection Vulnerability

CVE-2026-81963

Microsoft Windows Link Following Vulnerability

CVE-2026-85880

Microsoft Windows Heap-Based Buffer Overflow Vulnerability

CVE-2019-1068

Microsoft SQL Server Remote Code Execution Vulnerability

CVE-2026-33824

Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability

Confirm Your Exposure

Is this vulnerability present in your environment?

CRS delivers independent VAPT assessments that identify exactly which known-exploited vulnerabilities exist in your network, applications, and infrastructure.

Explore VAPT Services