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

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

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 ...

Cisco voice certification including the CCNA Voice, CCVP, and CCIE Voice will also be discussed, but the primary objective of this blog is to create a collaborative environment in which Unified ...

Cisco’s approach to unified communications is a network-based, hardware-intensive implementation designed to provide support for more environments – like point-of-sale systems, non-PC workgroups and ...

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 is warning that several of its Unified Communications Manager (CM) and Contact Center Solutions products are vulnerable to a critical severity remote code execution security issue. Cisco's ...

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 ...

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 ...

eSpeaks’ Corey Noles talks with Rob Israch, President of Tipalti, about what it means to lead with Global-First Finance and how companies can build scalable, compliant operations in an increasingly ...