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Exploited vulnerability · CISA KEV

Is CVE-2026-76460 exploited? Yes: in CISA KEV since 16 Sep 2026

Gociux · Cisco Identity Services Engine · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2026-76460, Cisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 16 Sep 2026, the day it was published. It affects Cisco Identity Services Engine. If you run it, CISA's required action is: 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.

exploitedYesCISA KEV · 16 Sep 2026
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity10CVSS 3.1 · critical
US federal due19 Sep 2026BOD 22-01 deadline

What it is

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.

VendorCisco (103 exploited CVEs in KEV)
ProductIdentity Services Engine
VulnerabilityCisco Identity Services Engine Incorrect Use of Privileged APIs Vulnerability
WeaknessCWE-648
Published16 Sep 2026
Added to KEV16 Sep 2026
Reported by (CNA)cisco

What to do

  1. Check whether you run it. Look for Identity Services Engine in your asset inventory, including appliances and cloud images. Stack check lists every exploited Cisco CVE at once.
  2. Apply the fix. 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.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 16 Sep 2026.
  4. Get told next time. Email alerts when CISA adds a CVE for Cisco.

Other exploited CVEs in Identity Services Engine

References

Questions

Is CVE-2026-76460 being exploited?

Yes. CISA added CVE-2026-76460 to the Known Exploited Vulnerabilities catalog on 16 Sep 2026, which means there is reliable evidence of exploitation in the wild.

Is CVE-2026-76460 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2026-76460?

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. Check Cisco's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Identity Services Engine and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in September 2026 · Cisco scorecard · act-now radar.

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