Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
Improper privilege management in ThemeManager prior to SMR Mar-2026 Release 1 allows local privileged attackers to reuse trial contents.
AnalysisAI
ThemeManager prior to the SMR Mar-2026 Release 1 contains an improper privilege management vulnerability that allows local privileged attackers to inappropriately reuse trial contents, potentially circumventing licensing restrictions or trial period limitations. With a CVSS score of 6.7 and requiring high privileges (PR:H) but no user interaction, this vulnerability poses a moderate integrity risk in environments where multiple privileged users share access to ThemeManager systems. No public proof-of-concept or active exploitation has been reported in the CVE record, and this does not appear on CISA's KEV catalog, suggesting limited real-world weaponization at present.
Technical ContextAI
ThemeManager is a theme management system component, likely bundled within Samsung Mobile Release (SMR) updates or a broader Samsung product suite. The vulnerability stems from improper privilege management mechanisms that fail to adequately enforce separation of trial license states and content reuse policies. The root cause relates to inadequate access controls or permission validation when privileged actors attempt to access or reuse trial-licensed content. While no explicit CWE is mapped in the CVE record, this pattern typically aligns with CWE-269 (Improper Access Control - Generic) or CWE-276 (Incorrect Default Permissions). The flaw exists at the application or service level within ThemeManager's privilege boundary, allowing local high-privileged users (e.g., root, system administrators) to bypass or reset trial content restrictions that should persist regardless of privilege level.
RemediationAI
Upgrade ThemeManager to SMR Mar-2026 Release 1 or any later security maintenance release from Samsung. This patch directly addresses the privilege management flaw and should be applied immediately to all systems running vulnerable versions. Until patching is feasible, restrict administrative or high-privilege account access to ThemeManager to trusted personnel only, and audit activity logs for suspicious trial content reuse patterns. If ThemeManager operates in a multi-user environment, enforce additional access controls at the operating system level to limit which accounts can invoke ThemeManager functions. For cloud or virtualized deployments, isolate ThemeManager instances to reduce the privilege attack surface. Reference Samsung's official security advisory and patch release notes at https://security.samsungmobile.com for comprehensive update guidance and deployment recommendations.
More in Samsung Mobile Devices
View allOut-of-bounds write in Samsung's Keymaster trustlet - a Trusted Execution Environment (TEE) component running in ARM Tru
Local privilege escalation to root in Samsung's DualDAR (Dual Data-at-Rest) encryption component affects Samsung mobile
Remote code execution in Samsung Mobile Devices arises from a heap-based buffer overflow in the JPEG decoding path of li
Remote code execution in the DNG (Adobe Digital Negative) image decoder within Samsung's Quram imaging library (libimage
Path traversal in Samsung's ImsService (IP Multimedia Subsystem Service) on Android 14 through 17 permits remote unauthe
Out-of-bounds write in libmdnie.so on Samsung Mobile Devices running Android 15, 16, and 17 enables local attackers to e
Local privilege escalation in Samsung Galaxy Watch allows unprivileged local attackers to execute arbitrary code with sy
Stack-based buffer overflow in libril_sem.so - Samsung's Radio Interface Layer shared library - enables privileged local
Improper input validation in Samsung's DualDAR kernel driver enables a local privileged attacker to escalate privileges
We need to produce a comprehensive analysis for CVE-2026-21047. Let's gather all provided data: CVE ID, description: "Ou
Google's Secure Folder prior to the March 2026 SMR release improperly exports Android application components, enabling l
Heap buffer overflow in Samsung KnoxVault trustlet (hwvault trusted application) on Samsung Mobile Devices prior to SMR
Same technique Information Disclosure
View allShare
External POC / Exploit Code
Leaving vuln.today
EUVD-2026-12299