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CVE-2026-20046

IOS XR Software

Cisco CVSS 8.8 Updated March 16, 2026

Executive Risk Summary

"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."

Operational Audit Arsenal

Target Type Firmware
Target Asset IOS XR
Standard Path Router or Network Device

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

Potential network disruption during reboot

Internal Work Notes

Elevated privilege vulnerability in Cisco IOS XR Software, requires immediate patching to prevent unauthorized access

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Intelligence Sources

Related Cisco Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.