Cisco Releases Patch for Critical Zero-Day Vulnerability in Unified Communications After Active Exploitation
43/69 Friday, January 23, 2026 Cisco has issued a security advisory and released software updates to address CVE-2026-20045, a critical Remote Code Execution (RCE) vulnerability affecting its enterprise communications products, including Cisco Unified Communications Manager (Unified CM), Unified CM SME, Unified CM IM & Presence, Cisco Unity Connection, and Webex Calling Dedicated Instance. Cisco’s Product […]
