---
title: "CVE-2026-20559: GPU pdma - Use After Free"
description: "GPU pdma contains a use after free caused by improper memory handling, letting local users escalate privileges, exploit requires user execution privileges without user interaction."
url: https://panop.io/threat-heartbeat/CVE-2026-20559/
---

# CVE-2026-20559 GPU pdma - Use After Free

GPU pdma contains a use after free caused by improper memory handling, letting local users escalate privileges, exploit requires user execution privileges without user interaction.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-20559)

## Details

Type

Use After Free

Impact

Privilege Escalation

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Published

2 November 2026

Updated

3 November 2026

Weakness

[CWE-416](https://cwe.mitre.org/data/definitions/416.html)

## Vendor fix

Apply patch ALPS11365081 or update to the latest version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-20559](https://nvd.nist.gov/vuln/detail/CVE-2026-20559)
- [https://www.mediatek.com/product-security-bulletin/November-2026](https://www.mediatek.com/product-security-bulletin/November-2026)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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