CVE-2026-28659 MicroXR Blobstore - Broken Access Control

MicroXR Blobstore contains a broken access control vulnerability caused by missing permission checks, letting local attackers escalate privileges by accessing other app's files, exploit requires no user interaction.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.19% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Privilege Escalation, File System Read
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 September 2026
Updated
15 October 2026
Weakness
CWE-269

Vendor fix

Update to the latest version with proper permission checks.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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