7.8High
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.
What this means for your business
- It affects Google Android Xr. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it only with access to the machine itself, with an ordinary user login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.2% chance of attack attempts being seen in the next 30 days, ranking above 10% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Google Android Xr, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 7.8 (v3.1)
- Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- CVSS v4
- 10.0
- Weakness
- CWE-269
- Assigned by
- security@android.com
Dates
- Published
- 2026-09-08
- Last modified
- 2026-09-14
- Sources
- NVD
Affected products
- Google Android Xr14
As listed in the NVD configuration data. Not a statement about your estate.