Privilege escalation in Google Android Xr
CVE-2026-28659
In MicroXR Blobstore, there is a possible way to access other app's files due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Vulnerability class: Privilege Escalation
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: 0.002 (8.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Google Android Xr — versions 14
- Google Android Xr — versions 14
Weakness classification (CWE)
References
- source.android.com/docs/security/bulletin/xr/2026/2026-09-01 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-28659?
- CVE-2026-28659 is a high-severity vulnerability in Google Android Xr, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2026-09-08.
- How severe is CVE-2026-28659?
- High severity. CVSS v3 base score is 7.8 out of 10.