CVE-2023-21269

HIGH

Android - Local Privilege Escalation via Background Activity PiP Mode Bypass

Title source: llm
STIX 2.1

Description

In startActivityInner of ActivityStarter.java, there is a possible way to launch an activity into PiP mode from the background due to BAL bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

References (2)

Core 2

Scores

CVSS v3 7.8
EPSS 0.0008
EPSS Percentile 0.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-266 CWE-269
Status published
Products (1)
google/android 13.0
Published Aug 14, 2023
Tracked Since Feb 18, 2026