Vulnerability · Published Jun 1, 2026 · Assigned by microsoft

CVE-2026-47294Microsoft SharePoint Server Remote Code Execution Vulnerability

High 8.0

In plain English

A high-severity OS command injection in Microsoft SharePoint Enterprise Server 2016 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.6%top 50.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – before 16.0.5552.1002
Microsoft Microsoft SharePoint Server 2019 16.0.0 – before 16.0.10417.20128
Microsoft Microsoft SharePoint Server Subscription Edition 16.0.0 – before 16.0.19725.20280

Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

References