How severe is CVE-2026-28659?

CVE-2026-28659 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-28659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28659?

CVE-2026-28659 affects Google Android Xr. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28659?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-28659 published?

CVE-2026-28659 was published on 2026-09-08 and last updated on 2026-09-14.

CVE-2026-28659

CVE-2026-28659 is a high-severity vulnerability in Google Android Xr with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 10.0
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Google Android Xr
Published: 2026-09-08
Last modified: 2026-09-14

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-28659?: CVE-2026-28659 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-28659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28659?: CVE-2026-28659 affects Google Android Xr. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28659?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-28659 published?: CVE-2026-28659 was published on 2026-09-08 and last updated on 2026-09-14.

References

https://source.android.com/docs/security/bulletin/xr/2026/2026-09-01

Affected products (1)

cpe:2.3:o:google:android_xr:14:*:*:*:*:*:*:*

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