CVE-2026-76444: Cisco ISE information disclosure in Policy Runtime Repository Table service

CVE-2026-76444 · Severity: medium · CVSS 5.3 · Published 2026-09-16

Cisco ISE and ISE-PIC are identity management systems used to control network access and device authentication. A missing authentication check in an internal service allows remote attackers to retrieve sensitive configuration data without credentials, potentially exposing policy rules, user information, and other critical settings.

Technologies: Cisco Identity Services Engine, Cisco Identity Services Engine Passive Identity Connector. Vendors: Cisco.

Quick answers

Is CVE-2026-76444 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-76444 being exploited in the wild.
How severe is CVE-2026-76444?
Medium severity, with a CVSS score of 5.3, published 16 September 2026.
Which products and versions are affected?
Cisco Identity Services Engine; Cisco Identity Services Engine Passive Identity Connector.
Is there a fix for CVE-2026-76444?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-76444 attacked?
It is attacked over the network.
Am I affected by CVE-2026-76444?
Check whether you run Cisco Identity Services Engine or Cisco Identity Services Engine Passive Identity Connector. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This vulnerability (CVE-2026-76444) is an authentication bypass in the Policy Runtime Repository Table (PRRT) service, classified as CWE-306 (Missing Authentication Check). The root cause is missing authentication controls on the PRRT service, which is normally an internal component but is accessible over the network. An unauthenticated, remote attacker can send a crafted request to an affected Cisco ISE or ISE-PIC device and retrieve sensitive configuration information. No user interaction or authentication is required. Cisco has released software updates to address this vulnerability; no workarounds are available.

Affected products

  • Cisco Identity Services Engine
  • Cisco Identity Services Engine Passive Identity Connector

Timeline

  • 2026-09-16: disclosed: CVE-2026-76444 publicly disclosed

References

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