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CVE-2026-32201: Microsoft SharePoint Server Improper Input Validation Vulnerability
Microsoft SharePoint Server · in CISA KEV since 2026-04-14
2026-04-14added to KEV
2026-04-28federal remediation due date
43.38%EPSS exploit probability (30 days) 98.7th percentile
6.5 MEDIUMCVSS 3.1
Unknownknown ransomware use
0days from NVD publication to KEV
What it is
Microsoft SharePoint Server contains an improper input validation vulnerability that allows an unauthorized attacker to perform spoofing over a network.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-20 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
| NVD published | 2026-04-14 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-32201.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.