Improper Privilege Management in ThemeManager by Samsung
CVE-2026-20991

6.7MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
16 March 2026

What is CVE-2026-20991?

The ThemeManager by Samsung is susceptible to improper privilege management, allowing local attackers with privileged access to exploit trial content functionality. This vulnerability, present in versions prior to the SMR Mar-2026 Release 1, facilitates the unauthorized reuse of content intended for trial periods, potentially leading to significant security risks and unauthorized content manipulation.

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Affected Version(s)

Samsung Mobile Devices SMR Mar-2026 Release in Android 14, 15, 16

References

https://security.samsungmobile.com/securityUpdate.smsb?ye...

CVSS V4

Score:
6.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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