Medium severity · published Sep 14, 2026
CVE-2026-23792
An issue was discovered in NR RRC in Samsung Mobile Processor and Modem Exynos 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W1000, Modem 5300, Modem 5400, and Modem…
4.0
CVSS
0.2%
EPSS
No
On KEV
Description
An issue was discovered in NR RRC in Samsung Mobile Processor and Modem Exynos 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400, 1580, 2500, W1000, Modem 5300, Modem 5400, and Modem 5410. Incorrect handling of unauthenticated downlink RRC Setup messages can cause the baseband to crash.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
E1
Exynos 1080 firmware · Samsung
through 2025-10-22 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-23792
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-23792
semiconductor.samsung.com
https://semiconductor.samsung.com/support/quality-support/product-security-updates/
semiconductor.samsung.com
https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-23792/
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