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CVE-2026-20963: Microsoft SharePoint Deserialization of Untrusted Data Vulnerability · RaqibCTI
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CVE-2026-20963
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CVE
CVE-2026-20963
P2
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
Microsoft · SharePoint
Date added (CISA)
2026-03-18
Remediation due
2026-03-21
Known ransomware use
Not indicated
Remediation priority
P2 — past CISA due date
Overview
ATT&CK
Related
ATT&CK mapping
No ATT&CK mapping yet
The CTID Mappings Explorer hasn't published an exploitation/impact technique mapping for this CVE yet.
Source:
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CISA KEV Catalog ↗