Auth bypass in Google Android

CVE-2025-26436

In clearAllowBgActivityStarts of PendingIntentRecord.java, there is a possible way for an application 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.

Vulnerability class: Broken Access Control

EPSS: 0.001 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-26436?
CVE-2025-26436 is a high-severity vulnerability in Google Android, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2025-09-04.
How severe is CVE-2025-26436?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2025-26436 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.