CVEvulnerability

CVE-2026-32201

6.5 MEDIUM Known exploited Published 2026-04-14 Modified 2026-10-26 Official page ↗

CISA Known Exploited Vulnerability

Microsoft SharePoint Server Improper Input Validation Vulnerability — Microsoft SharePoint Server

Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network.

Added to KEV: 2026-04-14
Remediation due: 2026-04-28
Ransomware use: Unknown
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.
Notes: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-32201 ; https://nvd.nist.gov/vuln/detail/CVE-2026-32201

Status: Analyzed
Published: 2026-04-14
Last modified: 2026-10-26
Assigner: [email protected]
CVSS 3.1 ([email protected]): 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS 3.1 ([email protected]): 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weaknesses: CWE-20

Description

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

Affected configurations

• microsoft sharepoint server (< 16.0.19725.20210) • microsoft sharepoint server 2016 • microsoft sharepoint server 2019

Weakness · CWE (1)

CWE-20 Improper Input Validation weakness

References