CVE-2026-32201

MEDIUM severity · CVSS 6.5 · Improper input validation · actively exploited (CISA KEV)

6.5CVSS MEDIUM ● exploited

🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities). Added to KEV 2026-04-14. US federal agencies must patch by 2026-04-28.

Summary

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactLow

Integrity impactLow

Availability impactNone

Exploit probability (EPSS)8%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products we track (1)

Microsoft SharePoint Server

Recommendation

This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.

Additional information

NVD record
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32201Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32201Advisory