Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Identity Services Engine, fix it now.
CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
US federal civilian agencies must remediate by Sep 19, 2026.
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
A vulnerability in an API of Cisco Identity Services Engine (ISE) could allow an unauthenticated, remote attacker to bypass authentication. This vulnerability is due to insufficient authentication control on an API endpoint. An attacker could exploit this vulnerability by sending a crafted request to an affected API endpoint. A successful exploit could allow the attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
| Product | Vendor | Affected versions | Source |
|---|---|---|---|
| Identity Services Engine | Cisco | 3.1.0; 3.2.0; 3.3.0; 3.4.0; 3.5.0 | KEV |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog.
Developments from the last 30 days, newest first.
CVE-2026-76460 scored CVSS 10.0: Cisco Identity Services Engine, Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
CISA lists this as exploited in the wild. Unpatched Identity Services Engine systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
CVE-2026-76460 added to CISA KEV: Cisco Identity Services Engine, Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
CISA lists this as exploited in the wild. Unpatched Identity Services Engine systems are exposed to active attacks now.
Basis: CISA Known Exploited Vulnerabilities catalog
CISA lists this as exploited in the wild. Unpatched Cisco networking & security and Identity Services Engine systems are exposed to active attacks now.
Treat this as an emergency.
