---
id: "CVE-2026-20570"
kind: "vulnerability"
aliases: ["CVE-2026-20570"]
title: "adsp: use-after-free lets a system-privileged process escalate privileges"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["android", "infrastructure", "mediatek"]
not_affected_if: ["no-system-privilege-attacker"]
published_at: "2026-11-02T03:17:34+00:00"
first_seen_at: "2026-11-02T03:31:25+00:00"
updated_at: "2026-11-02T03:32:23+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-20570", "first_seen_at": "2026-11-02T03:31:25+00:00"}]
---

# adsp: use-after-free lets a system-privileged process escalate privileges

A use-after-free bug in the adsp component can be used for privilege escalation. An attacker must already hold System privilege on the device, and the flaw gives them a further local escalation.

_Summary, check and fix written by a model from the sources; labelled as such._

## Timeline

- 2026-11-02T03:31:25+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-20570

## From the sources

In adsp, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11431474; Issue ID: MSV-9926.

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_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_