CVE-2026-48174

NR RRC Message Handling Vulnerability Causes Denial of Service in Samsung Exynos Processors

Published Nov 5, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
In the NR RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Samsung Semiconductor
Samsung Semiconductor exynos 1280
Samsung Semiconductor exynos 1330
Samsung Semiconductor exynos 1380
Samsung Semiconductor exynos 1480
Samsung Semiconductor exynos 2200
Samsung Semiconductor exynos 2400
Samsung Semiconductor exynos Modem 5300
Samsung Semiconductor exynos Modem 5400
Samsung Semiconductor exynos W1000
Vendors & Products Samsung Semiconductor
Samsung Semiconductor exynos 1280
Samsung Semiconductor exynos 1330
Samsung Semiconductor exynos 1380
Samsung Semiconductor exynos 1480
Samsung Semiconductor exynos 2200
Samsung Semiconductor exynos 2400
Samsung Semiconductor exynos Modem 5300
Samsung Semiconductor exynos Modem 5400
Samsung Semiconductor exynos W1000
Type Values Removed Values Added
Title NR RRC Message Handling Vulnerability Causes Denial of Service in Samsung Exynos Processors
Type Values Removed Values Added
Description In the NR RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.
Weaknesses CWE-476
References