10.0 Critical Exploited

CVE-2026-76460 Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability

Active exploitation observed

· CISA KEV catalogue

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.

Ransomware campaigns Not observed so far

Weakness CWE-648

Description

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.

Affected products and versions

Product	Affected versions	Fixed in
Cisco Identity Services Engine Software	3.5.0	No fix stated
Cisco Identity Services Engine Software	3.4.0	No fix stated
Cisco ISE Passive Identity Connector	3.5.0	No fix stated
Cisco ISE Passive Identity Connector	3.4.0	No fix stated