GCVE-110-NCSC-2026-94

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published March 12, 2026

Multiple vulnerabilities in Cisco IOS XR Software CLI allow authenticated local attackers to execute arbitrary root-level commands or gain full administrative control due to insufficient validation of user arguments.

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Weaknesses (CWE)

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')CWE-1287Improper Validation of Specified Type of InputCWE-460Improper Cleanup on Thrown Exception

Risk Scores

CVSS 3.1

8.8/10

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

Affected Products

Vendor	Product	Versions	Platforms
Cisco	vers:unknown/*	—	—

Aliases

CVE-2026-20040 CVE-2026-20046 CVE-2026-20074 CVE-2026-20118

References

advisory

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