Description
Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.
Published: 2026-09-09
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

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History

Fri, 11 Sep 2026 01:00:00 +0000

Type Values Removed Values Added
Title Heap-Based Buffer Overflow in KnoxVault Trustlet Enables Local Privileged Code Execution

Thu, 10 Sep 2026 23:30:00 +0000

Type Values Removed Values Added
First Time appeared Samsung Mobile
Samsung Mobile samsung Mobile Devices
Vendors & Products Samsung Mobile
Samsung Mobile samsung Mobile Devices

Thu, 10 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
Title Heap-Based Buffer Overflow in KnoxVault Trustlet Enables Local Privileged Code Execution

Thu, 10 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Samsung
Samsung android
CPEs cpe:2.3:o:samsung:android:15.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-apr-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-apr-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-aug-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-aug-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-dec-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-feb-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-feb-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jan-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jan-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jul-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jul-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jun-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-jun-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-mar-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-mar-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-may-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-may-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-nov-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-oct-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:15.0:smr-sep-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:-:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-apr-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-aug-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-aug-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-dec-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-feb-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-jan-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-jul-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-jun-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-mar-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-may-2026-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-nov-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-oct-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:16.0:smr-sep-2025-r1:*:*:*:*:*:*
cpe:2.3:o:samsung:android:17.0:-:*:*:*:*:*:*
Vendors & Products Samsung
Samsung android
Metrics cvssV3_1

{'score': 6.7, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

Thu, 10 Sep 2026 18:00:00 +0000

Type Values Removed Values Added
Title Heap‑Based Buffer Overflow in Samsung KnoxVault Trustlet Enables Local Privileged Code Execution
Weaknesses CWE-119

Thu, 10 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-122
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 09 Sep 2026 12:00:00 +0000

Type Values Removed Values Added
Title Heap‑Based Buffer Overflow in Samsung KnoxVault Trustlet Enables Local Privileged Code Execution
Weaknesses CWE-119

Wed, 09 Sep 2026 05:00:00 +0000

Type Values Removed Values Added
Description Heap-based buffer overflow in KnoxVault trustlet prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code.
References
Metrics cvssV4_0

{'score': 7.1, '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'}

Subscriptions

Samsung Android
Samsung Mobile Samsung Mobile Devices
cve-icon MITRE

Status: PUBLISHED

Assigner: SamsungMobile

Published:

Updated: 2026-09-11T03:56:35.006Z

Reserved: 2025-12-11T01:33:35.829Z

Link: CVE-2026-21104

cve-icon Vulnrichment

Updated: 2026-09-10T14:17:01.477Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-09T05:17:22.723

Modified: 2026-09-11T04:17:39.597

Link: CVE-2026-21104

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-11T00:45:11Z

Weaknesses