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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.001 (0.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000
Affected products
- Google Android — versions 15.0, 14.0, 13
Weakness classification (CWE)
Public proof-of-concept exploits
References
- android.googlesource.com/platform/frameworks/base/+/bba26504af51d2dd3b8eddeb96e… (Product, Patch)
- android.googlesource.com/platform/frameworks/base/+/ccba6717779fea0a86b6326f992… (Product, Patch)
- source.android.com/security/bulletin/2025-05-01 (Vendor Advisory)
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.