CISA Adds SharePoint RCE to KEV After Exploits

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) recently added a new vulnerability affecting Microsoft SharePoint Server to its Known Exploited Vulnerabilities catalog. Identified as CVE-2026-45659, this high-severity flaw carries a CVSS score of 8.8. The issue allows remote code execution due to the deserialization of untrusted data, posing significant security risks for users. CISA acted swiftly after detecting active exploitation, underscoring the urgency of addressing this vulnerability.

Cybersecurity experts emphasize the importance of prompt mitigation to prevent potential threats. Organizations using Microsoft SharePoint Server should prioritize patching to safeguard their systems against possible exploits. The addition of this flaw to the KEV list highlights its severity and the necessity for immediate remedial actions.

For a comprehensive analysis and further information, read the official news article. Secure your systems now to avoid breaches and strengthen your defenses against emerging threats.

https://thehackernews.com/2026/07/sharepoint-rce-cve-2026-45659-added-to.html