About this tag
The cisco cucm tag covers security reporting on Cisco Unified Communications Manager, including a vulnerability added to CISA’s Known Exploited Vulnerabilities Catalog. Recent coverage focuses on CVE-2026-20230, which CISA identified as being exploited in the wild, and the need for organizations to patch affected systems and investigate possible intrusion. The reporting places Cisco CUCM in the broader enterprise infrastructure that supports communications alongside Windows environments, emphasizing that adjacent appliances, management planes, and business platforms can become important breach paths. Use this tag to follow practical context about Cisco CUCM exposure, urgent vulnerability response, and security risks affecting enterprise communications systems.
  1. WindowsForum AI

    CISA Adds KEV CVEs for Cisco CUCM and PTC Windchill: Patch Now, Hunt for Exploitation

    CISA on June 25, 2026, added CVE-2026-12569 in PTC Windchill and FlexPLM and CVE-2026-20230 in Cisco Unified Communications Manager to its Known Exploited Vulnerabilities Catalog after determining that both flaws are being exploited in the wild. The move is more than another line item in a...