High [CVE-2026-47294] Microsoft SharePoint Server Remote Code Execution Vulnerability
This high-severity Microsoft Server advisory covers CVE-2026-47294 affecting Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition.
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Summary
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 named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019; Microsoft SharePoint Server Subscription Edition.
- Microsoft SharePoint Enterprise Server 2016 16.0.0 before 16.0.5552.1002
- Microsoft SharePoint Server 2019 16.0.0 before 16.0.10417.20128
- Microsoft SharePoint Server Subscription Edition 16.0.0 before 16.0.19725.20280
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 16.0.5552.1002
- 16.0.10417.20128
- 16.0.19725.20280
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 16.0.5552.1002, 16.0.10417.20128, 16.0.19725.20280. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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