Microsoft SharePoint Server Remote Code Execution Vulnerability
This high-severity Microsoft Server advisory covers CVE-2026-20951 affecting Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition.
Android app · Google Play
Monitor future Microsoft Server CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
Improper input validation in Microsoft Office SharePoint allows an unauthorized attacker to execute code locally.
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 16.0.5535.1001
- Microsoft SharePoint Server 2019 16.0.0 before 16.0.10417.20083
- Microsoft SharePoint Server Subscription Edition 16.0.0 before 16.0.19127.20442
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- 16.0.5535.1001
- 16.0.10417.20083
- 16.0.19127.20442
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 16.0.5535.1001, 16.0.10417.20083, 16.0.19127.20442. 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
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.