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The Nexus
SECURITYJul 17 · 06:42 UTCTHE HACKER NEWS[email protected] (The Hacker News)

CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV

CISA added a critical SharePoint Server vulnerability (CVE-2026-58644) with a CVSS score of 9.8 to its KEV catalog, requiring FCEB agencies to patch by July 19, 2026. The flaw is a deserialization issue exploitable for remote code execution.

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U.S. Cybersecurity and Infrastructure Security AgencyorganizationMicrosoft SharePoint ServerproductCVE-2026-58644topicFederal Civilian Executive Branchorganization
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