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CVE-2026-32201

MEDIUMCVSS 6.5/10Actively ExploitedEPSS 24.17%

Last modified

CVE-2026-32201 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.. CISA has confirmed active exploitation in the wild. EPSS estimates a 24.17% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
24.17%

97.6th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftSharepoint Server< 16.0.19725.20210
MicrosoftSharepoint Server2016
MicrosoftSharepoint Server2019

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-32201?
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
How severe is CVE-2026-32201?
CVE-2026-32201 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 24.17% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2026-32201?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-32201?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST