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6.5 Medium Exploited

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

Active exploitation observed

· CISA KEV catalogue
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.
Ransomware campaigns Not observed so far
Weakness CWE-20

Description

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

Affected products and versions

Product Affected versions Fixed in
Microsoft SharePoint Enterprise Server 2016 16.0 16.0.0 → < 16.0.5548.1003 16.0.5548.1003
Microsoft SharePoint Server 2019 16.0 16.0.0 → < 16.0.10417.20114 16.0.10417.20114
Microsoft SharePoint Server Subscription Edition 16.0 16.0.0 → < 16.0.19725.20210 16.0.19725.20210

References

Timeline

  1. Published
  2. Added to the KEV catalogue
  3. Last modified

Other CVEs of Microsoft SharePoint Enterprise Server 2016

The 337 CVEs of Microsoft SharePoint Enterprise Server 2016 →
CVE-2026-97783 Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint… 8.1 High CVE-2026-69943 Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office SharePoint allows… 8.8 High CVE-2026-62917 Improper input validation in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a… 4.6 Medium CVE-2026-58639 Server-side request forgery (ssrf) in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over… 6.5 Medium
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