VulnerabilityUndergoing Analysis

CVE-2026-28663

In buildIntentSenderForUser of LauncherAppsService.java, there is a possible way to launch an activity from the background due to BAL Bypass.

HIGH 7.8EPSS 0.08%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In buildIntentSenderForUser of LauncherAppsService.java, there is a possible way to launch an activity 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.

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.08% probability · 0th percentile
CISA KEV: Not listed
Weakness: CWE-863
Source: security@android.com

References

https://source.android.com/docs/security/bulletin/2026/2026-09-01

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.