Privilege Escalation in Cisco IOS XR Software

CVE-2026-20046

What is CVE-2026-20046?

A vulnerability exists in Cisco's IOS XR Software affecting task group assignments of certain CLI commands. This flaw allows an authenticated local attacker to exploit incorrectly mapped commands to elevate their privileges. By bypassing task group-based checks, an attacker with a low-privileged account can gain unauthorized administrative access, leading to potential manipulation or control over affected devices without appropriate authorization. Organizations using this software should take immediate steps to mitigate the impact of this vulnerability.

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