CVE-2023-40094

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-862

Description

In keyguardGoingAway of ActivityTaskManagerService.java, there is a possible lock screen bypass due to a missing permission check. 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/+/1120bc7e511710b1b774adf29ba47106292365e7
https://source.android.com/security/bulletin/2023-12-01
https://android.googlesource.com/platform/frameworks/base/+/1120bc7e511710b1b774adf29ba47106292365e7
https://source.android.com/security/bulletin/2023-12-01

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