The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a security flaw impacting Microsoft Sharepoint Server to its Known Exploited Vulnerabilities (KEV) catalog based on evidence of active exploitation in the wild.The vulnerability, tracked as CVE-2023-24955 (CVSS score: 7.2), is a critical remote code execution flaw that allows an authenticated attacker with Site Owner privileges to execute arbitrary code.