All vulnerabilities
CVE-2026-32201

Microsoft SharePoint Server Improper Input Validation Vulnerability

Microsoft SharePoint ServerApplications & CMS
Open in ThreatlineRecord JSON
CVSS
6.5Medium
ExploitationExploited in the wildAdded to KEV 14 Apr 2026CISA KEV
Exploit odds (EPSS)43.4%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in16.0.5548.1003Also 16.0.10417.20114, 16.0.19725.20210CVE List
Federal deadline28 Apr 2026Remediation due date for US federal agenciesCISA KEV
CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA KEV

What fixes it

  • 16.0.5548.1003Microsoft SharePoint Enterprise Server 2016CVE List
  • 16.0.10417.20114Microsoft SharePoint Server 2019CVE List
  • 16.0.19725.20210Microsoft SharePoint Server Subscription EditionCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 14 Apr 2026Added to CISA KEVCISA KEV
  2. 14 Apr 2026, 16:58 UTCPublishedCVE List

Description

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

Text from CVE List

Affected versions 3

  • Microsoft SharePoint Enterprise Server 2016affected: 16.0.0 before 16.0.5548.1003CVE List
  • Microsoft SharePoint Server 2019affected: 16.0.0 before 16.0.10417.20114CVE List
  • Microsoft SharePoint Server Subscription Editionaffected: 16.0.0 before 16.0.19725.20210CVE List

References 4