---
id: "CVE-2026-20571"
kind: "vulnerability"
aliases: ["CVE-2026-20571"]
title: "Android afe driver: use-after-free lets a local process escalate privilege"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["android", "infrastructure", "mediatek"]
not_affected_if: ["no-system-privilege-compromise"]
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-2026-20571", "first_seen_at": "2026-11-02T03:31:25+00:00"}]
---

# Android afe driver: use-after-free lets a local process escalate privilege

A use-after-free flaw in the afe component causes memory corruption. An attacker who already holds System privilege can use it to escalate privilege further.

_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-2026-20571

## From the sources

In afe, there is a possible memory corruption 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: ALPS11434319; Issue ID: MSV-9925.

---

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