Called exploited the same day it was disclosed.
Measured from the CVE publication date to the earliest of 3 KEV catalogues that list it.
The life of this vulnerability
- CVE reserved
- CVE published28d
- First KEV listingsame day
- Last sightingsame day
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federallisted Sep 16, 2026
- EUVDENISA, European Unionlisted Sep 16, 2026
- VulnCheck KEVcommercial researchlisted Sep 16, 2026
- CIRCLaggregator, mirrors the abovelisted Sep 16, 2026, not counted
3 catalogues list it. CIRCL aggregates the others and is shown but not counted.
Public exploitation evidence
- reported exploitationsec.cloudapps.cisco.com/security/center/content/CiscoSecurit
- reported exploitationwww.cisa.gov/sites/default/files/feeds/known_exploited_vulne
2 public reports collected from VulnCheck and CIRCL, first on Sep 16, 2026. Each links to its original source. We have not verified them.
Description
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.
Required action (CISA)
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.
