Vulnerability in Google Android
CVE-2025-26421
In multiple locations, there is a possible lock screen bypass due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.001 (0.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.7% 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/+/b66817d2ed3b6ef29873bfe9857… (Product, Patch)
- android.googlesource.com/platform/packages/apps/Settings/+/f16fa58405ed94703ea1… (Product, Patch)
- source.android.com/security/bulletin/2025-05-01 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-26421?
- CVE-2025-26421 is a medium-severity vulnerability in Google Android, classified under Authentication Bypass by Spoofing. CVSS score: 4.0/10. Published 2025-09-04.
- How severe is CVE-2025-26421?
- Medium severity. CVSS v3 base score is 4.0 out of 10.
- Is CVE-2025-26421 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.