CVE entry · CVE-2026-76460
CVE-2026-76460: Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
Cisco Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) contain an incorrect use of privileged APIs vulnerability that could allow an unauthenticated, remote attacker to gain unauthorized access to the affected device by bypassing the web-based management interface.
- Actively exploited: added to CISA’s KEV catalog on September 16, 2026.
- Use by ransomware: not established so far.
- Remediation deadline for US federal agencies: September 19, 2026.
Description from CISA’s KEV catalog.
What to do
- Check whether your estate includes Cisco Identity Services Engine, including internet-facing devices.
- Apply the vendor’s patch or mitigations (references below). Failing that, isolate the product or stop using it, as CISA requires of US federal agencies.
- An exploited vulnerability has often been used before it was fixed: look for signs of compromise, especially on internet-facing devices.
References
- Vendor advisory or reference cited by CISA (sec.cloudapps.cisco.com)
- NVD entry (NIST)
- CISA KEV catalog
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