CVE-2026-76460KEV · OVERDUECWE-648

Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability

Critical · published September 17, 2026

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 10.0. It is confirmed in active exploitation. It sits in the 96.6th percentile for exploit probability.

35
days past CISA
deadline
CVSS v3.1
10.0
EPSS
14%
Percentile
96.6
In the wild
Confirmed
What it is

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.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.14026 · 96.6th percentile
Weakness
CWE-648 · Incorrect Use of Privileged APIs
Published
2026-09-17T01:17Z
KEV added
2026-09-16 · due 2026-09-19
Affected products (88)
ProductVersionsFixed in
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engineall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
cisco/identity_services_engine_passive_identity_connectorall versions—
References (2)
EPSS history
Timeline
  • 25 SEP 03:27Z
    EPSS moved 1% → 14%
    epss
  • 18 SEP 04:01Z
    EPSS moved — → 1%
    epss
  • 16 SEP 20:12Z
    Cisco Identity Services Engine Authentication Bypass Vulnerability
    cvelistv5