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No exploitation reported

CVE-2026-48174

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

No exploitation reported by the sources we read.

  • Published2026-11-05
  • WeaknessCWE-476

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In the NR RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.

Timeline

dates in UTC
  1. 2026-11-0502:43CVE publishedCNA

Versions per branch

Products declared by the CNA

As samsungsemiconductor, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • Samsung Semiconductor Exynos 1280other versions: not affected
    Affected
    • < September 2026fixed in September 2026date
  • Samsung Semiconductor Exynos 2200other versions: not affected
    Affected
    • < September 2026fixed in September 2026date
  • Samsung Semiconductor Exynos 1330other versions: not affected
    Affected
    • < September 2026fixed in September 2026date
  • Samsung Semiconductor Exynos 1380other versions: not affected
    Affected
    • < September 2026fixed in September 2026date
  • Samsung Semiconductor Exynos 1480other versions: not affected
    Affected
    • < September 2026fixed in September 2026date
  • Samsung Semiconductor Exynos 2400other versions: not affected
    Affected
    • < September 2026fixed in September 2026date

3 more products in the CVE record.

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-05

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-48174 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2026-11-05
Last Modified
2026-11-10
NVD status
Deferred
GitHub Advisory
GHSA-698c-c552-hvcw

Frequently asked questions

What is CVE-2026-48174?

In the NR RRC component, improper handling of messages before authentication triggers a data abort, which leads to a denial‑of‑service condition.

Is CVE-2026-48174 actively exploited?

Active exploitation of CVE-2026-48174 has not been confirmed. Its EPSS score was 0.2% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-48174?

CVE-2026-48174 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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