Live › vulnerability › CVE-2026-58957
A confused deputy bug in Android's ActivityStarter.java lets an app trigger a background activity launch it should not be allowed to make. An attacker can use this to escalate privileges locally, without extra execution privileges and without user interaction.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-11-02 20:35 UTC. All times on this page are UTC.
Phones and tablets running Android 14, 15, 16, 16-qpr2 or 17 whose security patch level is earlier than 2026-11-01. A malicious app already installed on the device can use the flaw to gain higher privileges with no user interaction. Devices already updated to the November 2026 patch level can skip it.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| android | vendor | 14, 15, 16, 16-qpr2, 17 before security patch level 2026-11-01 | 2026-11-01 security patch level |
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
In resolveToHeavyWeightSwitcherIfNeeded of ActivityStarter.java, there is a possible background activity launch 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.
This page as .md · .json · in your agent: get_signal("CVE-2026-58957")
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