What is CVE-2026-20947?

CVE-2026-20947 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under SQL Injection. CVSS score: 8.8/10. Published 2026-01-13.

How severe is CVE-2026-20947?

High severity. CVSS v3 base score is 8.8 out of 10.

SQL Injection in Microsoft Sharepoint Enterprise Server 2016

CVE-2026-20947

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.

Vulnerability class: SQL Injection

EPSS: 0.005 (64.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: 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.

Affected products

Microsoft Sharepoint Enterprise Server 2016 — versions 16.0.0
Microsoft Sharepoint Server 2019 — versions 16.0.0
Microsoft Sharepoint Server Subscription Edition — versions 16.0.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

Microsoft SharePoint Server Remote Code Execution Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-20947?: CVE-2026-20947 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under SQL Injection. CVSS score: 8.8/10. Published 2026-01-13.
How severe is CVE-2026-20947?: High severity. CVSS v3 base score is 8.8 out of 10.