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CVE-2026-20951
Published: Jan 13, 2026
Modified: Apr 1, 2026
PUBLISHED
CVSS v3.1
7.8
HIGH
Description
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
| Vendor | Product | Versions |
|---|---|---|
Microsoft | Microsoft SharePoint Enterprise Server 2016 | affected 16.0.0 - < 16.0.5535.1001 |
Microsoft | Microsoft SharePoint Server 2019 | affected 16.0.0 - < 16.0.10417.20083 |
Microsoft | Microsoft SharePoint Server Subscription Edition | affected 16.0.0 - < 16.0.19127.20442 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
References
Microsoft SharePoint Server Remote Code Execution Vulnerability
vendor-advisory
patch
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