Cisco Unified CM Zero-Day RCE Under Attack, CISA Issues Warning

Gbhackers •Varshini • January 22, 2026

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CISA Alerts on Exploited Cisco Unified CM Zero-Day Vulnerability CVE-2026-20045 The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent alert regarding the active exploitation of a zero-day remote code execution vulnerability in Cisco Unified Communications products, tracked as CVE-2026-20045. This flaw allows attackers to execute arbitrary code and escalate privileges to root level on affected systems. 3 sources 91

Cisco Unified CM Zero-Day RCE Under Attack, CISA Issues Warning

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Extracted Entities

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Platforms (1)