CRITICAL 9.8 Microsoft
CVE-2026-20963
Microsoft SharePoint Remote Code Execution Vulnerability
Microsoft Security Update 2026-Jan: Microsoft SharePoint Remote Code Execution Vulnerability
Affected Products
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Server Subscription Edition
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963
- https://nvd.nist.gov/vuln/detail/CVE-2026-20963
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-01-13 via Microsoft. EPSS score: 29.2% (top 2% of all CVEs by exploitation probability). Affected: Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition.
Risk Timeline
CVE Disclosed2026-01-13 · 297 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20963NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-20963Related Vulnerabilities
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