EUVD-2026-73945
GHSA-vp8j-fq8w-qwpr
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local attack bounded to installed app (AV:L, PR:L); UI:N accepted per description though atypical for overlay attacks; full impact triad retained.
Primary rating from Vendor (android).
CVSS VectorVendor: android
Lifecycle Timeline
7DescriptionCVE.org
In onCreate of InstallLaunch.kt, there is a possible misleading UI due to a tapjacking/overlay attack. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
AnalysisAI
Tapjacking and UI overlay exploitation in Android 16-QPR2's InstallLaunch.kt onCreate method allows a locally-installed malicious application to present a deceptive interface over the package installation workflow, leading to local privilege escalation with full confidentiality, integrity, and availability impact. Fixed in Google's September 2026 Android Security Bulletin, the flaw requires no additional execution privileges and - per the CVSS vector - no user interaction beyond what occurs during the overlay setup phase. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a malicious application already installed on the target Android 16-QPR2 device with standard user-level privileges (CVSS PR:L). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 score (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately captures the local attack boundary and low-privilege requirement - exploitation requires only that the adversary's app is installed on the target device, with no special configuration needed. … 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 | Vendor-released patch: Android 16-QPR2 (patch level 2026-09-01), distributed via the September 2026 Android Security Bulletin 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, prioritize deployment of Google's September 2026 Android Security Bulletin to all Android 16-QPR2 devices through your MDM solution. …
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Same technique Privilege Escalation
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External POC / Exploit Code
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