www.cisa.gov 7/16/2026, 6:39:50 PM · external

CISA Adds Critical SharePoint Flaw CVE-2026-58644 to KEV

Developing story vulnerability 10 articles tracked
Microsoft July 2026 Patch Tuesday addresses multiple SharePoint zero‑day vulnerabilities
CyberSIXT Evidence Panel
Primary Source msrc.microsoft.com
CISA KEV Listed in KEV
Patch Patch Available

THE Known Exploited Vulnerabilities (KEV) Catalog, maintained by CISA, serves as an authoritative source for vulnerabilities that have been actively exploited, aiding organizations in their vulnerability management strategies. The catalog includes details about vulnerabilities like CVE-2026-58644, a Microsoft SharePoint vulnerability allowing unauthorized code execution through deserialization of untrusted data.

Organizations are encouraged to apply mitigations from the vendor and comply with CISA's guidelines for patch management. Users can nominate new vulnerabilities for inclusion, access the catalog in various formats, and subscribe for updates.

View Primary Source Via www.cisa.gov

Article by CyberSIXT

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