Cisco Addresses Critical CVE-2026-20045 Vulnerability Amid Active Exploitation

Cisco Addresses Critical CVE-2026-20045 Vulnerability Amid Active Exploitation

First seen 22 Jan 2026, 21:42 UTC Cyberdaily.AuCybersecurityconnect.Au 25.9

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Cisco has identified a critical remote code execution vulnerability, CVE-2026-20045, in its Unified Communications software. The US cyber agency has added this vulnerability to its Known Exploited Vulnerabilities (KEV) catalogue, indicating active exploitation is underway. Organizations using Cisco's Unified Communications are advised to take immediate action to mitigate risks.

Timeline

Date unknown
Vulnerability CVE-2026-20045 identified
Recent
Active exploitation reported
Date unknown
US cyber agency adds vulnerability to KEV catalogue