CVE-2026-20963
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
⚠ KEVEPSS 5.3%
Description
Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.
How to fix CVE-2026-20963
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2026-20963 being exploited?
Yes — CVE-2026-20963 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.