# CVE-2026-32201

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

- Page: https://www.vulneraibility.com/cve/CVE-2026-32201
- CVSS: 6.5
- Known exploited: yes, in CISA KEV since 2026-04-14; CISA due date 2026-04-28
- EPSS: 43.38%
- Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept (first 2026-04-22)
- CISA SSVC: exploitation active, automatable yes, technical impact partial (assessed 2026-04-09)
- Weakness: CWE-20
- Published: 2026-04-14

## Affected versions

- Microsoft Microsoft SharePoint Enterprise Server 2016: affected >= 16.0.0 and < 16.0.5548.1003
- Microsoft Microsoft SharePoint Server 2019: affected >= 16.0.0 and < 16.0.10417.20114
- Microsoft Microsoft SharePoint Server Subscription Edition: affected >= 16.0.0 and < 16.0.19725.20210

A version outside these ranges is not a statement that it is unaffected.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32201
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32201

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.