Cisco released a patch for the critical CVE-2026-76519 vulnerability in Secure Email Gateway. After a crafted attachment is delivered, the flaw could allow remote command execution with root privileges.
NVIDIA and Cisco presented plans for the USFP format for pluggable optical modules in Ethernet networks designed for AI infrastructure. The specification is not yet complete or commercially available.
Cisco has released fixes for CVE-2026-76504 in Catalyst SD-WAN Manager. The critical flaw allows remote, unauthenticated attackers to gain administrator privileges, and the vendor has confirmed active exploitation.
The CVE-2026-76460 vulnerability, rated CVSS 10.0, allows authentication bypass in Cisco ISE and ISE-PIC. Cisco confirmed its active exploitation and released fixes.
Cisco has released fixes for the critical CVE-2026-76460 flaw in ISE and ISE-PIC systems. Cisco reports active exploitation, while CISA added it to the KEV catalog on September 16, 2026.
CVE-2026-76461 in Cisco Secure Email Gateway allows remote command execution with root privileges after a specially crafted email is sent. Cisco released fixes, and CISA added it to the KEV catalog.
Cisco has confirmed active exploitation of the critical CVE-2026-20079 flaw in Secure Firewall Management Center. An unauthenticated attacker can execute commands with root privileges.
Cisco published security advisories for Secure Email, IOS XR, and Nexus 9000. Several vulnerabilities have a CVSS score of 9.8; at the time of publication, the vendor had no evidence of malicious exploitation.