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CVE-2026-76460 Cisco CVE debrief

CVE-2026-76460: Cisco Identity Services Engine has a critical vulnerability related to incorrect use of privileged APIs. This vulnerability affects Cisco Identity Services Engine deployments, which defenders should assess for exposure and apply mitigations to prevent exploitation. Evidence from CISA Known Exploited Vulnerabilities catalog and Cisco indicates a critical vulnerability; details are limited, and verification of affected versions and remediation is required. Defenders should review Cisco's official advisory for specific guidance.

Vendor
Cisco
Product
Identity Services Engine
CVSS
CRITICAL 10
CISA KEV
Listed
Original CVE published
2026-09-16
Original CVE updated
2026-09-16
Advisory published
2026-09-16
Advisory updated
2026-09-16

Who should care

Defenders responsible for Cisco Identity Services Engine deployments, security teams, and vulnerability management teams should assess exposure and apply mitigations. This includes operators managing Cisco Identity Services Engine and those responsible for ensuring compliance with security updates and CISA's BOD 26-04 guidance.

Why it matters

CVE-2026-76460 is a critical vulnerability in Cisco Identity Services Engine related to incorrect use of privileged APIs. Defenders responsible for Cisco Identity Services Engine deployments should assess exposure and apply vendor-provided mitigations to prevent exploitation. Evidence is limited, and verification of affected versions and remediation is required.

  • Verify Cisco Identity Services Engine deployments for potential exposure
  • Apply vendor-provided mitigations to prevent exploitation
  • Ensure compliance with CISA's BOD 26-04 guidance for prioritizing security updates

Technical summary

Cisco Identity Services Engine has a critical vulnerability related to incorrect use of privileged APIs. Exploitation is known, and defenders should assess exposure and apply vendor-provided mitigations. The vulnerability affects Cisco Identity Services Engine, and its severity is critical. Evidence from CISA Known Exploited Vulnerabilities catalog and Cisco supports this assessment.

Defensive priority

High priority for defenders to assess exposure and apply mitigations

Recommended defensive actions

  • Assess exposure of Cisco Identity Services Engine in your environment
  • Apply mitigations in accordance with Cisco instructions
  • Ensure compliance with CISA's BOD 26-04 guidance

Evidence notes

Evidence from CISA Known Exploited Vulnerabilities catalog and Cisco indicates a critical vulnerability in Cisco Identity Services Engine; details are limited

Sources and references

Verified primary and authoritative sources

  • CVE-2026-76460 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-76460

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-76460 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-76460

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.