CVE-2026-20947

Microsoft SharePoint Server Remote Code Execution Vulnerability

State: Published
Severity: 8.8 High
Published: Jan 13, 2026
Updated: Jul 30, 2026
Reserved: Dec 4, 2025

Description

Improper neutralization of special elements used in an sql command ('sql injection') in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected Products

Product	Versions
Microsoft SharePoint Enterprise Server 2016Microsoft	16.0.0 to before 16.0.5535.1001Affected
Microsoft SharePoint Server 2019Microsoft	16.0.0 to before 16.0.10417.20083Affected
Microsoft SharePoint Server Subscription EditionMicrosoft	16.0.0 to before 16.0.19127.20442Affected

References

Microsoft SharePoint Server Remote Code Execution Vulnerabilityvendor-advisorypatch

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