CVE-2026-28640
Received Received - Intake

Credential Storage Activity Local Privilege Escalation

Publication date: 2026-10-05

Last updated on: 2026-10-05

Assigner: Android (associated with Google Inc. or Open Handset Alliance)

Description
In checkCallerIsCertInstallerOrSelfInProfile of CredentialStorageActivity.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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Meta Information

Published
2026-10-05
Last Modified
2026-10-05
Generated
2026-10-05
AI Q&A
2026-10-05
EPSS Evaluated
N/A
NVD
CVE-2026-28640
EUVD
EUVD-2026-92627

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
Google Android 16
Google Android 15
Google Android 14

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This vulnerability is a permission bypass in Android's CredentialStorageActivity. It occurs due to improper input validation in the checkCallerIsCertInstallerOrSelfInProfile function. An attacker could exploit this to gain elevated privileges locally without needing additional execution permissions or user interaction.

Impact Analysis

This vulnerability could allow an attacker to bypass security restrictions on your Android device. They might gain unauthorized access to sensitive data or perform actions requiring higher permissions, such as installing certificates or modifying system settings.

Mitigation Strategies

Apply the latest Android security updates from Google to patch the CredentialStorageActivity.java vulnerability. Monitor official Android security bulletins for updates related to this issue.

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