CVE-2026-32201

Microsoft SharePoint Server Spoofing Vulnerability

State: Published
Severity: 6.5 Medium
Published: Apr 14, 2026
Updated: Oct 15, 2026
Reserved: Mar 11, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:F/RL:O/RC:C	microsoft

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
Microsoft SharePoint Enterprise Server 2016Microsoft	16.0.0 to before 16.0.5548.1003Affected
Microsoft SharePoint Server 2019Microsoft	16.0.0 to before 16.0.10417.20114Affected
Microsoft SharePoint Server Subscription EditionMicrosoft	16.0.0 to before 16.0.19725.20210Affected

References

Microsoft SharePoint Server Spoofing Vulnerabilityvendor-advisorypatch
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32201government-resource

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