ACTIVELY EXPLOITED3 sources verified·1 min read
By Lyrie Threat Intelligence·3/18/2026
CVE-2026-20963 added to CISA KEV: Microsoft SharePoint
Status: ✅ Confirmed exploited in the wild
Date added: 2026-03-18
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.
Due date: 2026-03-21
Why this matters
Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.
Sources
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