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

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

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 ...