Android CVE-2026-0023
HIGHCVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionNVD
In createSessionInternal of PackageInstallerService.java, there is a possible way for an app to update its ownership 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.
AnalysisAI
Improper permission validation in Android's PackageInstallerService allows a local app to modify its own package ownership without requiring elevated privileges, enabling privilege escalation. An attacker with a malicious app installed on the device can exploit this flaw without user interaction to gain unauthorized access to system resources. …
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RemediationAI
Within 24 hours: Inventory all Android devices in your environment and assess exposure based on OS versions affected by CVE-2026-0023. Within 7 days: Communicate findings to device owners and implement mobile device management (MDM) restrictions to prevent sideloading and limit app installation sources. …
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External POC / Exploit Code
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