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CISA Alerts on Exploited Cisco Unified CM Zero-Day Vulnerability CVE-2026-20045
First seen 22 Jan 2026, 21:42 UTC
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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.
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Timeline
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CISA issues alert on active exploitation of CVE-2026-20045
Date unknown
Vulnerability details confirmed by CISA
Date unknown
Patch released for the vulnerability
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