CISA Adds Actively Exploited Microsoft SharePoint Vulnerability to KEV Catalog
ID: 89abfe64-a7e6-5ac8-a7f8-71fe71c58117
STIX ID: report--89abfe64-a7e6-5ac8-a7f8-71fe71c58117
Feed Name: GBHackers
Threat Score
CISA added CVE-2026-45659, an authenticated deserialization vulnerability in Microsoft SharePoint Server enabling remote code execution, to its Known Exploited Vulnerabilities catalog with an urgent remediation deadline under BOD 26-04; exploitation is reported in the wild, and organizations are urged to patch, apply mitigations, and follow forensics/incident response guidance.
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