Cisco Fixes Actively Exploited Zero-Day CVE-2026-20045 in Unified CM and Webex


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Cisco Fixes Actively Exploited Zero-Day CVE-2026-20045 in Unified CM and Webex

Cisco has released fresh patches to address what it described as a « critical » security vulnerability impacting multiple Unified Communications (CM) products and Webex Calling Dedicated Instance that it has been actively exploited as a zero-day in the wild.
The vulnerability, CVE-2026-20045 (CVSS score: 8.2), could permit an unauthenticated remote attacker to execute arbitrary commands on the

Source : https://thehackernews.com/2026/01/cisco-fixes-actively-exploited-zero-day.html

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janvier 22, 2026
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