CVE-2023-40091

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-04 · updated 2026-06-17
Weakness: CWE-787

Description

In onTransact of IncidentService.cpp, there is a possible out of bounds write due to memory corruption. This could lead to local escalation of privilege with no additional 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/base/+/0ec7b119d41adcbba23f9349e16de9e7e11683f6
https://source.android.com/security/bulletin/2023-12-01
https://android.googlesource.com/platform/frameworks/base/+/0ec7b119d41adcbba23f9349e16de9e7e11683f6
https://source.android.com/security/bulletin/2023-12-01

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