RCE in Microsoft Sharepoint Enterprise Server 2016

CVE-2026-47294

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

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-47294: rose from 0.007 to 0.012.

EPSS over last 30 days · oldest: 0.007 · newest: 0.012 · change: +0.005

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-47294?
CVE-2026-47294 is a high-severity vulnerability in Microsoft Sharepoint Enterprise Server 2016, classified under OS Command Injection. CVSS score: 8.0/10. Published 2026-06-01.
How severe is CVE-2026-47294?
High severity. CVSS v3 base score is 8.0 out of 10.