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CVE-2026-76299

9.9 CRITICAL

Published 2026-10-21 · Updated 2026-10-22

AI risk analysis

Summary
Improper access control in a Cisco product allows authenticated users to bypass intended restrictions, potentially leading to unauthorised access to sensitive data or functions.
Exploitability
Exploitation requires low-privilege authentication and no user interaction; however, the exact attack vector is not disclosed, making precise exploitation difficulty hard to assess.
Blast radius
If exploited, attackers could gain high-level access to system resources, compromising confidentiality, integrity, and availability across the affected system.
Detection
No reliable host or network indicator is derivable from the published description.
Prioritized remediation
Apply the Cisco software hardening release that addresses this vulnerability; the specific fixed version is not named in the description, so no exact patch level can be provided.
access-controlciscocwe-284hardeninginternal-discovery

Analysis generated locally by garnet-coder (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

As part of Cisco's ongoing commitment to proactive security and product quality, Cisco has conducted a comprehensive internal security review. This review resulted in a software hardening release that addresses multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-76299 are related to improper access control and are grouped under the Common Weakness Enumeration (CWE) CWE-284.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-284

All references

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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