KEV · Actively exploited
CVE-2026-20963
HIGH 9.8
KEV
Microsoft SharePoint Remote Code Execution Vulnerability
EPSS
5.29%
above median
percentile 90.2%
CISA Known Exploited Vulnerability
- Added to KEV
- 2026-03-18
- Remediation deadline
- 2026-03-21
- Required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Ransomware
- No