CVE-2026-76444: Cisco Identity Services Engine

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability in an internal service of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to retrieve sensitive configuration information from an affected device. This vulnerability is due to missing authentication on the Policy Runtime Repository Table (PRRT) service. An attacker could exploit this vulnerability by sending a crafted request to an affected device. A successful exploit could allow the attacker to obtain sensitive configuration information from the affected device.

Affected products

• Cisco Identity Services Engine: version 3.4.0 only; version 3.5.0 only
• Cisco Identity Services Engine Passive Identity Connector: version 3.4.0 only

Published 2026-09-16. Last modified 2026-09-28.