Security News
CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV
UnknownJul 17, 2026(about 2 hours ago)
CISA Adds Exploited SharePoint RCE Zero-Day CVE-2026-58644 to KEV
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly patched security flaw impacting Microsoft SharePoint Server to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to apply the fixes by July 19, 2026. The vulnerability in question is CVE-2026-58644 (CVSS score: 9.8), a critical deserialization
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