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 ...

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

Cisco has removed a backdoor account from its Unified Communications Manager (Unified CM), which would have allowed remote attackers to log in to unpatched devices with root privileges. Cisco Unified ...

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 ...

If you're running the Engineering-Special (ES) builds of Cisco Unified Communications Manager or its Session Management Edition, you need to apply Cisco's urgent patch after someone at Switchzilla ...

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 ...

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

Login credentials for an account with root access was found in Cisco's Unified Communications Manager There are no workarounds, just a patch, so users should update now Different versions of the tool ...

Static root credentials left in limited Unified Communications Manager builds could let attackers gain full control over enterprise communications systems. Cisco (Nasdaq:CSCO) has patched a max ...

Admins must act quickly. Cisco warns of attack attempts on a security vulnerability in Unified Communications products.