Cisco announced patches for CVE-2026-20045, a zero-day vulnerability in Unified CM that has been targeted by hackers.

Cisco has fixed a critical Unified Communications and Webex Calling remote code execution vulnerability, tracked as ...

The RCE flaw lets remote attackers gain root on affected systems with no user interaction. Cisco has released multiple ...

The critical-rated flaw leaves unpatched systems open to full takeover Cisco has finally shipped a fix for a critical-rated ...

Cisco fixes actively exploited CVE-2026-20045 zero-day enabling unauthenticated RCE in Unified CM and Webex; CISA sets Feb 11, 2026 deadline.