Back to CVE records
High 7.1Published Sep 9, 2026
CVE-2026-21104Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.
Updated under an hour ago ()
Does this affect you?
It affects Samsung Mobile Devices and 1 other product. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.
- CVSS
- 7.1 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-122
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- SamsungMobile
- NVD analysis
- Analyzed
- Record last updated
- Sep 11, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Samsung Mobile Samsung Mobile Devices samsung_mobile:devices (from the name) | from SMR Sep-2026 Release in hwvault ta not affected | CNA record |
samsung android samsung:android | 15.0; 15.0; 15.0; 15.0; 15.0; 15.0; 15.0; 15.0; and 28 more ranges | NVD |
References
- https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.