high
CISA KEV
CVE-2026-20963
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
// Description
Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.
// 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.
Federal remediation due Mar 21, 2026 — past due
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