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CVE-2026-20963

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critical advisory

Active Exploitation of SharePoint Deserialization Vulnerability (CVE-2026-20963)

CVE-2026-20963, a SharePoint deserialization vulnerability, is under active exploitation and has been added to the CISA Known Exploited Vulnerabilities (KEV) catalog, requiring immediate patching and auditing of potentially compromised data.

CVE-2026-20963 sharepoint deserialization cisa-kev
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