Risk Letters

Exploited vulnerability

CVE-2026-76460

TLP:CLEAR

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.

Facts

  • Vendor: Cisco
  • Product: Identity Services Engine
  • CVSS: 10
  • EPSS (probability of exploitation within 30 days): 75.6 %
  • On CISA's Known Exploited Vulnerabilities list since: 16 September 2026
  • First known exploitation: 16 September 2026
  • CISA's deadline for US federal agencies: 19 September 2026
  • Weakness: CWE-648
  • First seen by Risk Letters: 16 September 2026

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD