Vulnerability · Published Sep 9, 2026 · Assigned by SamsungMobile
CVE-2026-21085
High 8.4
In plain English
A high-severity out-of-bounds write 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 0.2% (higher than 5% of all known vulnerabilities).
Severity (CVSS 4.0)8.4High
Exploit odds (30 days)0.2%top 94.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Out-of-bounds write in Keymaster trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to write out-of-bounds memory.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Samsung Mobile | Samsung Mobile Devices | see references |
Weakness: CWE-787 · Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N