CISA Mandates Urgent Patching for Exploited Cisco and PTC Vulnerabilities

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an urgent deadline of June 28, 2026, for federal agencies to patch critical vulnerabilities in Cisco Unified Communications Manager Server and PTC Windchill/FlexPLM. These flaws, including a server-side request forgery and a remote code execution issue, are actively being exploited, necessitating immediate remediation to safeguard against ongoing cyberattacks.