Improper Access Control in Samsung Mobile’s SettingsProvider Affects User Data Security
CVE-2026-21099

5.1MEDIUM

Key Information:

Vendor

Samsung
Status
Samsung Devices
Vendor
CVE Published:
9 September 2026

What is CVE-2026-21099?

An improper access control vulnerability exists in Samsung Mobile's SettingsProvider prior to the SMR release in September 2026. This flaw enables local attackers to potentially gain unauthorized access to sensitive information, thereby posing a risk to user data security. It is critical for users to ensure that their devices are updated to mitigate potential threats associated with this vulnerability.

Affected Version(s)

Samsung Mobile Devices SMR Sep-2026 Release in Android 15, 16, 17

References

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

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.