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Vulnerability record · CVE-2026-28603 · published 8 September 2026

CVE-2026-28603: Google android vulnerability

Google · Android

In assertSafeToStartCustomActivity of AppRestrictionsFragment.java, there is a possible read/write access to private files due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

7.8 CVSS 3.1 High EPSS 0.09% · top 99.6% CWE-441 · CWE-441
7.8CVSS 3.1 base score
0.09%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
15 Sep 2026Last modified by NVD

Description

In assertSafeToStartCustomActivity of AppRestrictionsFragment.java, there is a possible read/write access to private files due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://source.android.com/docs/security/bulletin/2026/2026-09-01 Vendor AdvisoryPatch

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Source: NIST National Vulnerability Database (record CVE-2026-28603), CISA KEV, FIRST EPSS (scores of 2026-09-25). This page is refreshed as NVD updates the record.