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Dark Reading 4 months, 1 week ago

Exploited Zero-Day Flaw in Cisco UC Could Affect Millions

Mass scanning is underway for CVE-2026-20045, which Cisco tagged as critical because successful exploitation could lead to a complete system takeover.

Dark Reading 24 Jan 2026, 9:56 a.m. Actively exploited CVE-2026-20045 0-Day CVE Cisco Critical Flaw

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Exploited Zero-Day Flaw in Cisco UC Could Affect Millions