CVE-2026-58841: Android Frameworks Base - Local Privilege Escalation Due to Logic Error
Summary
CVE-2026-58841: In multiple functions of VirtualAudioControllerTest.java, there is a possible permission bypass due to a logic error in the code. Affects platform/frameworks/base across 6 version ranges.
>= 14:0, < 14:2026-10-01
>= 15:0, < 15:2026-10-01
>= 16:0, < 16:2026-10-01
>= 16-qpr2:0, < 16-qpr2:2026-10-01
>= 17:0, < 17:2026-10-01
>= 17-next:0, < 17-next:2026-10-01
Fixed in 17-next:2026-10-01. How to fix ↓
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Background
The Android Frameworks Base package is a core component of the Android operating system, providing essential services and APIs for application development. It facilitates communication between the hardware and software layers, enabling developers to create robust applications. However, vulnerabilities within this package can lead to significant security risks, including unauthorized access and privilege escalation.
Vulnerability Detail
In multiple functions of VirtualAudioControllerTest.java, there exists a logic error that allows for a possible permission bypass. This vulnerability can lead to local escalation of privilege without requiring additional execution privileges or user interaction. The flaw arises from improper handling of permissions, which could allow a malicious actor to gain elevated access to system resources.
How To Fix
Minimum fixed version
17-next:2026-10-01
This is the first release that contains the fix.
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Workaround
As a temporary measure, users can restrict access to the affected functions until the patch is applied. This can be done by modifying the permission settings in the AndroidManifest.xml file to limit access to the VirtualAudioController functionalities.
Conclusion
The CVE-2026-58841 vulnerability in the Android Frameworks Base package poses a significant risk of local privilege escalation due to a logic error. It is crucial for developers and users to update their packages to the latest patched versions to mitigate this risk. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
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FAQ
CVE-2026-58841 is a vulnerability in the Android Frameworks Base package that allows for local privilege escalation due to a logic error in the code.
You can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities. Check your application against the vulnerability using the Vulert playground at Vulert Scanner.
The vulnerability could allow unauthorized users to gain elevated privileges, potentially leading to unauthorized access to sensitive data or system resources.
No, user interaction is not needed for exploitation, making it particularly dangerous.
If immediate updates are not possible, consider implementing temporary access restrictions to the affected functionalities as a workaround.
References
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