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 CVE-2026-20045, that has been actively exploited as a zero-day in attacks.

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

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

Mass scanning is underway for CVE-2026-20045, which Cisco tagged as critical because successful exploitation could lead to a ...

Attackers are targeting a zero-day vulnerability in Cisco's Unified Communications and Webex products that facilitates remote code execution and root-level access ...

Cisco has released urgent security updates to patch a critical zero-day vulnerability in its Unified Communications and Webex ...

Cisco patched a critical exploit affecting some of its communication-based products. Designated as CVE-2026-20045, the vulnerability allows bad actors to run arbitrary commands on an affected device’s ...

Cisco warned customers about another wave of attacks against its firewalls, which have been battered by intruders for at least six months. It also patched two critical bugs in its Unified Contact ...