CVE-2026-32201

CVE-2026-32201 is a medium-severity vulnerability in Microsoft Sharepoint Server with a CVSS 3.x base score of 6.5. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2026-04-14). The underlying weakness is classified as CWE-20.

Key facts

Description

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

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 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-32201 being actively exploited?
Yes. CVE-2026-32201 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2026-04-14, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2026-32201?
CVE-2026-32201 primarily affects Microsoft Sharepoint Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-32201?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2026-32201 have an EU (EUVD) identifier?
Yes. CVE-2026-32201 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22587. It is also flagged as exploited in the EUVD (since 2026-04-14).
When was CVE-2026-32201 published?
CVE-2026-32201 was published on 2026-04-14 and last updated on 2026-06-17.

References

Affected products (3)

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