CVE-2026-76460
CRITICALCISA KEVDescription
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.
How to fix
Actively exploited, no published fix found yet
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.
Federal remediation due: 2026-09-19
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploit Intelligence
EPSS data unavailable for this CVE.
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.
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.
Remediation due: 2026-09-19
References
Related Vulnerabilities
Other CWE-648 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2026-20122 | Medium | 5.4 | 25% | KEV | Fix |
| CVE-2019-14813 | Critical | 9.8 | 11% | - | Fix |
| CVE-2024-8785 | Critical | 9.8 | 9.5% | - | Fix |
| CVE-2025-54766 | Medium | 5.3 | 7.6% | - | - |
| CVE-2025-54765 | Medium | 5.3 | 7.6% | - | - |
| CVE-2025-54767 | Medium | 6.5 | 6.0% | - | - |
Common questions
How do I fix CVE-2026-76460?
No published fix for CVE-2026-76460 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2026-09-19. Apply the vendor's mitigations per CISA's guidance.
Is CVE-2026-76460 being actively exploited?
Yes. CVE-2026-76460 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2026-09-19. Treat it as a priority whatever its CVSS score says.
How severe is CVE-2026-76460?
CVE-2026-76460 has a CVSS v3 base score of 10.0, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-09-17.