CVE-2026-28659

Missing Permission Check in Android XR MicroXR Blobstore Enables Local Privilege Escalation

Published Sep 8, 2026 CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:o:google:android_xr:14:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Google
Google android Xr
Vendors & Products Google
Google android Xr
Type Values Removed Values Added
Title Missing Permission Check in Android XR MicroXR Blobstore Enables Local Privilege Escalation
Type Values Removed Values Added
Title Missing Permission Check Allows Local Privilege Escalation in MicroXR Blobstore
Weaknesses CWE-284
Type Values Removed Values Added
Weaknesses CWE-269
Type Values Removed Values Added
Title Missing Permission Check Allows Local Privilege Escalation in MicroXR Blobstore
Weaknesses CWE-284
Type Values Removed Values Added
Description 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.
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
google_android
Published
Updated
Oct 5, 2026, 7:01 PM
Reserved
Mar 2, 2026, 7:11 PM
Status
Analyzed
Published
Sep 8, 2026, 8:17 PM
Modified
Oct 5, 2026, 8:17 PM