critical CVE-2026-76423
REST API of Cisco ISE and Cisco ISE-PIC: Code execution with administrator privileges possible
NVD (NIST) reports one vulnerability in REST API of Cisco ISE and Cisco ISE-PIC with severity critical. The stated impact is code execution with administrator privileges. Affected: CVE-2026-76423. The full description, affected versions and recommended action are available from NVD (NIST).
- Attack vector
- over the network
- Access needed
- none
- CVSS
- 10.0
What this means for you
An attacker can run their own code with administrator privileges. First check whether the system is reachable from the internet: if it is, the update takes precedence over the regular maintenance window.
Original source
Insights
More articles
Weekly situation, week 37: 117 advisories, 24 critical
Between 6 Sep and 13 Sep 2026 our sources recorded 117 advisories: 24 critical, 93 high.
Weekly situation, week 36: 55 advisories, 12 critical
Between 30 Aug and 6 Sep 2026 our sources recorded 55 advisories: 12 critical, 43 high.
Weekly situation, week 35: 75 advisories, 21 critical
Between 23 Aug and 30 Aug 2026 our sources recorded 75 advisories: 21 critical, 54 high.
Contact
Reputation takes years. Destruction takes seconds.
Talk to us before somebody else does. The first conversation is free and we reply the same business day.