CVE-2023-26497
CWE-787Published: March 21, 2023· Updated: Jun 17, 2026
Official Description
An issue was discovered in Samsung Baseband Modem Chipset for Exynos Modem 5123, Exynos Modem 5300, Exynos 980, Exynos 1080, and Exynos Auto T5125. Memory corruption can occur when processing Session Description Negotiation for Video Configuration Attribute.
Risk Analysis
Multiple Samsung Exynos modem chipsets are affected by a memory corruption vulnerability during session description negotiation. This critical flaw is remotely exploitable and carries a 9.8 CVSS score.
There is no public exploit known for this vulnerability, and it is not in the KEV catalog.
Apply firmware updates provided by Samsung for the affected modem chipsets.
Technical Analysis
CVE-2023-26497 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.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (6)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-26497 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts