Which products and versions are affected by CVE-2026-32201?

Affected: Sharepoint Server (Microsoft) versions 2016, 2019; Sharepoint Server 2016 (Microsoft); Sharepoint Server 2019 (Microsoft) versions >= 16.0.0, among others. The full list is in the CVE brief.

Is CVE-2026-32201 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 12, 2026.

Is CVE-2026-32201 in the CISA KEV catalog?

Yes. It was added on Apr 14, 2026 with a federal remediation due date of Apr 28, 2026.

Is there a public exploit for CVE-2026-32201?

Public exploit code is available.

How urgently should CVE-2026-32201 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2026-32201

MediumExploitedPublic exploit

Microsoft SharePoint Server Spoofing Vulnerability

Published Apr 14, 2026 · Updated Oct 15, 2026

Key Facts

Patch immediately

CVE-2026-32201 is a medium-severity vulnerability (CVSS 6.5 v3.1) affecting Sharepoint Server (Microsoft), Sharepoint Server 2016 (Microsoft), Sharepoint Server 2019 (Microsoft) and 2 more products.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 12, 2026. Public exploit code is available.
EPSS estimates a 43% probability of exploitation in the next 30 days.
Fixed versions are available, including Microsoft SharePoint Enterprise Server 2016 16.0.5548.1003, Sharepoint Server 16.0.19725.20210, Sharepoint Server 2019 16.0.10417.20114.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

6.5

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

EPSS (30-day exploit likelihood)

43%

Higher than 98.7% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2026-32201 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

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

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Apr 14, 2026	Apr 28, 2026	Not reported
Industry KEV feed	Apr 12, 2026	Apr 28, 2026	Not reported
CIRCL KEV	Apr 14, 2026	Apr 28, 2026	Not reported
ENISA EUVD	Apr 14, 2026	n/a	Not reported

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.

Affected Products

9 affected entries in total

Product	Affected versions	Fixed in
Sharepoint ServerMicrosoft	2016, 2019	16.0.19725.20210
Sharepoint Server 2016Microsoft	See advisory	16.0.5548.1003
Sharepoint Server 2019Microsoft	>= 16.0.0	16.0.10417.20114
Microsoft SharePoint Enterprise Server 2016	>= 16.0.0	16.0.5548.1003
Microsoft SharePoint Server Subscription Edition	>= 16.0.0	16.0.19725.20210

Patched Releases

Microsoft SharePoint Enterprise Server 2016

16.0.5548.1003

Sharepoint Server

16.0.19725.20210

Sharepoint Server 2019

16.0.10417.20114

Microsoft SharePoint Server Subscription Edition

16.0.19725.20210

Timeline

Added to Industry KEV feed
Apr 12, 2026
Publicly disclosed
Apr 14, 2026
Added to CISA KEV
Apr 14, 2026
Added to CIRCL KEV
Apr 14, 2026
Added to ENISA EUVD
Apr 14, 2026
Last updated
Oct 15, 2026

Weakness Type

CWE-20 Improper Input Validation

References

advisoryMicrosoft SharePoint Server Spoofing Vulnerability
advisoryhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-32201
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report
exploitVulnCheck exploitation report

4 more references in the full CVE brief

FAQ

Common Questions.

Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Affected: Sharepoint Server (Microsoft) versions 2016, 2019; Sharepoint Server 2016 (Microsoft); Sharepoint Server 2019 (Microsoft) versions >= 16.0.0, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 12, 2026.
Yes. It was added on Apr 14, 2026 with a federal remediation due date of Apr 28, 2026.
Public exploit code is available.
Fixed versions are available, including Microsoft SharePoint Enterprise Server 2016 16.0.5548.1003, Sharepoint Server 16.0.19725.20210, Sharepoint Server 2019 16.0.10417.20114.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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