ZDI-26-477: (Pwn2Own) Sony XAV-9500ES Crash Dump Handler Command Injection Local Privilege Escalation Vulnerability

Published Jul 29, 2026
·
Updated

This vulnerability allows local attackers to escalate privileges on affected installations of Sony XAV-9500ES devices. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-18284.

Affected Software

1 affected component
Sony XAV-9500ES

Event History

Jul 29, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
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Frequently Asked Questions

1

What is the severity of ZDI-26-477?

The vulnerability ZDI-26-477 has a CVSS rating of 7.8, indicating it is of high severity.

2

How do I fix ZDI-26-477?

To mitigate ZDI-26-477, ensure that your Sony XAV-9500ES devices are updated to the latest firmware that addresses this vulnerability.

3

What type of attack does ZDI-26-477 facilitate?

ZDI-26-477 allows local privilege escalation on affected installations of Sony XAV-9500ES devices.

4

Who is affected by ZDI-26-477?

Users of Sony XAV-9500ES devices who are exposed to local attackers can be affected by ZDI-26-477.

5

What is required to exploit ZDI-26-477?

An attacker must first gain the ability to execute low-privileged code on the target Sony XAV-9500ES device to exploit ZDI-26-477.

Contact

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