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

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

Cisco has patched a critical Unity Connection security flaw that can let unauthenticated attackers remotely gain root privileges on unpatched devices. Unity Connection is a fully virtualized messaging ...

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 ...

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

A critical vulnerability in Cisco Unity Connection – a messaging and voicemail product that forms part of the networking supplier’s unified communications lineup – could enable unauthenticated and ...

Cisco fixed a critical flaw this week that affects multiple Unified Communications and Contact Center Solutions products and could be exploited remotely by unauthenticated attackers to execute ...