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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact High

Subsequent System Integrity Impact High

Subsequent System Availability Impact High

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00212.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Android XR unaffected
Version Status Constraints
14 affected —

No data.

No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://source.android.com/docs/security/bulletin/xr/2026/2026-09-01 cve-icon cve-icon
History

Wed, 09 Sep 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-269

Wed, 09 Sep 2026 14:00:00 +0000

Type Values Removed Values Added
Title Missing Permission Check Allows Local Privilege Escalation in MicroXR Blobstore
Weaknesses CWE-284

Tue, 08 Sep 2026 19:30:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: google_android

Published:

Updated: 2026-09-09T20:37:00.386Z

Reserved: 2026-03-02T19:11:19.581Z

Link: CVE-2026-28659

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-08T20:17:32.957

Modified: 2026-09-09T21:17:01.867

Link: CVE-2026-28659

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T13:45:10Z

Weaknesses