🛡️ CVE-2026-20046
🟠 CVSS 8.8 — High ✅ No Known Exploit CWE-264 NVD
8.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local attacker to elevate privileges and gain full administrative control of an affected device. This vulnerability is due to incorrect mapping of a command to task groups within the source code. An attacker with a low-privileged account could exploit this vulnerability by using the CLI command to bypass the task group–based checks. A successful exploit could allow the attacker to elevate privileges and perform actions on an affected device without authorization checks.

Details

Severity HIGH
CVSS Score 8.8
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE CWE-264
Public Exploit ✅ No
Source NVD
Published 2026-03-11
Updated 2026-06-02
Modified 2026-03-12
Fix URL N/A

Affected Packages

Software From version Fixed in
unknown — —

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