CVE-2026-32201
Microsoft SharePoint Server Improper Input Validation Vulnerability
CVSS
—
No CVSS
EPSS
22.8%
p97
KEV
YES
Apr 14, 2026
Exploit Today
79
0-100
Published: — · Last modified: —
Product
Microsoft / SharePoint Server
Vulnerability
Microsoft SharePoint Server Improper Input Validation Vulnerability
Added to KEV
Apr 14, 2026
Remediate by
Apr 28, 2026
Known ransomware use
No
Summary 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