KEV · Actively exploited
CVE-2026-20963
CVE-2026-20963 is actively exploited (CISA KEV catalog), rated high by the vendor: 0 tracked apps concerned, none still exposed on their current version.
- Severity (CVSS)
- 9.8
- Exploitation
- Confirmed
- Tracked apps
- 0
- Still exposed
- 0
Base CVSS ; severity is a vendor rating (different scale)
CISA KEV · EPSS predicts 29.2 %
Vendor bulletin scale : NVD CVSS pending
Microsoft SharePoint Remote Code Execution Vulnerability
EPSS
29.20%
predictive model; CISA confirms active exploitation
percentile 98.2%
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
- Unknown (not documented by CISA)
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