Critical unauthenticated auth-bypass in Cisco ISE (widely deployed enterprise NAC) with CVSS 10.0 and CISA KEV—likely to disrupt network access control and admin workflows.
CVE-2026-76460
Unauthenticated API auth bypass in Cisco ISE allows admin access
Is CVE-2026-76460 being exploited?
Yes. CVE-2026-76460 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2026-76460?
CVE-2026-76460 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-76460?
Yes. A fix has been recorded for CVE-2026-76460. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-76460 affect?
CVE-2026-76460 affects Cisco Identity Services Engine (ISE), Cisco ISE Passive Identity Connector (ISE-PIC). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-76460?
Apply vendor mitigations or patch ASAP; isolate internet-exposed ISE; follow CISA guidance
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated remote attacker can bypass web-management auth to gain administrative access to ISE, modify policies, access credentials, and pivot into networks.
Immediate action required
- affected3.1.0 p8
- affected3.1.0 p9
- affected3.3 Patch 2
- affected3.3 Patch 1
- affected3.3 Patch 3
- affected3.4.0
- affected3.2.0 p7
- affected3.3 Patch 4
- affected3.4 Patch 1
- affected3.1.0 p10
- affected3.3 Patch 5
- affected3.3 Patch 6
- affected3.4 Patch 2
- affected3.3 Patch 7
- affected3.4 Patch 3
- affected3.5.0
- affected3.4 Patch 4
- affected3.3 Patch 8
- affected3.2 Patch 8
- affected3.5 Patch 1
- affected3.3 Patch 9
- affected3.2 Patch 9
- affected3.4 Patch 5
- affected3.5 Patch 3
- affected3.5 Patch 2
- affected3.3 Patch 10
- affected3.3 Patch 11
- affected3.4 Patch 6
- affected3.2 Patch 10
- affected3.1.0 p11
- affected3.4.0
- affected3.5.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.