Vulnerability · Published Sep 9, 2026 · Assigned by SamsungMobile
CVE-2026-21104
High 7.1
In plain English
A high-severity heap buffer overflow in Samsung Mobile Devices from Samsung Mobile. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)7.1High
Exploit odds (30 days)0.1%top 96.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Samsung Mobile | Samsung Mobile Devices | see references |
Weakness: CWE-122 · Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N