EUVD-2026-74009
GHSA-wmh9-6f9x-rr65
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local attack (AV:L) requiring only a standard installed app (PR:L); permissions bypass yields full CIA impact on target app with no user interaction.
Primary rating from Vendor (android).
CVSS VectorVendor: android
Lifecycle Timeline
5DescriptionCVE.org
In maybeRemoveInvalidInstallerPackageName of InstallRepository.kt, there is a possible unauthorized app update due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
AnalysisAI
Local privilege escalation in Android's package installer component allows a low-privilege app to push unauthorized updates to other installed applications by exploiting a permissions bypass in InstallRepository.kt. Affected versions are Android 17 and Android 16-qpr2, as disclosed in the September 2026 Android Security Bulletin. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a low-privilege Android app to already be installed and running on the target device (PR:L, AV:L); no additional privileges beyond a standard third-party app install are needed. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 score and the technical impact rating of 'total' from SSVC reflect the severity of full CIA compromise achievable through this bypass. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the security patch delivered via the September 2026 Android Security Bulletin (patch level 2026-09-01), available at https://source.android.com/docs/security/bulletin/2026/2026-09-01. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Android 17 and 16-qpr2 devices in your environment (including employee phones, IoT endpoints, and corporate kiosks) and disable automatic app updates through mobile device management policies. …
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Same technique Privilege Escalation
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External POC / Exploit Code
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