CVE-2023-26075
CWE-120Published: March 10, 2023· Updated: Jun 17, 2026
Official Description
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. An intra-object overflow in the 5G MM message codec can occur due to insufficient parameter validation when decoding the Service Area List.
Risk Analysis
An intra-object overflow exists in the 5G MM message codec within various Samsung Exynos chipsets due to insufficient parameter validation. This critical vulnerability allows for remote code execution and carries a CVSS score of 9.8. It is highly urgent due to the potential for full system compromise.
No public exploit is known for this issue, and it is not tracked in the CISA KEV catalog.
Apply the latest security updates provided by the device manufacturer for the affected Exynos chipsets.
Technical Analysis
CVE-2023-26075 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (13)
Quick Facts
Related CVEs (CWE-120)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-26075 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts