CVE-2023-40096

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-04 · updated 2026-06-17

Description

In OpRecordAudioMonitor::onFirstRef of AudioRecordClient.cpp, there is a possible way to record audio from the background due to a missing flag. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: 11.0, 12.0, 12.1, 13.0, 14.0

References

https://android.googlesource.com/platform/frameworks/av/+/148aeea373febc959c429f2cabd8323508c38ad8
https://android.googlesource.com/platform/frameworks/av/+/5f401fc9f214789d691798620fea60015962370a
https://android.googlesource.com/platform/frameworks/base/+/b0f6558fb36eb76df35c516ec5a65030a34a8734
https://android.googlesource.com/platform/frameworks/native/+/9ddecd3d2b88de5ff7aa890d7ba9967c30d8b183
https://source.android.com/security/bulletin/2023-12-01
https://android.googlesource.com/platform/frameworks/av/+/148aeea373febc959c429f2cabd8323508c38ad8
https://android.googlesource.com/platform/frameworks/av/+/5f401fc9f214789d691798620fea60015962370a
https://android.googlesource.com/platform/frameworks/base/+/b0f6558fb36eb76df35c516ec5a65030a34a8734
https://android.googlesource.com/platform/frameworks/native/+/9ddecd3d2b88de5ff7aa890d7ba9967c30d8b183
https://source.android.com/security/bulletin/2023-12-01

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