ZDI-CAN-31260: ZDI-26-539: (Pwn2Own) Microsoft Windows ipt.sys Incorrect Permission Assignment Local Privilege Escalation Vulnerability

Published Aug 11, 2026

Updated

This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows. 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-2026-65773.

Affected Software

1 affected component

Microsoft Windows

Event History

Aug 11, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-31260?

The severity of ZDI-CAN-31260 is rated at 7.8 according to CVSS.

How do I fix ZDI-CAN-31260?

To fix ZDI-CAN-31260, ensure your Microsoft Windows installation is updated with the latest security patches.

What systems are affected by ZDI-CAN-31260?

ZDI-CAN-31260 affects specific installations of Microsoft Windows with the ipt.sys component.

What type of vulnerability is ZDI-CAN-31260?

ZDI-CAN-31260 is a local privilege escalation vulnerability that affects Microsoft Windows.

Do I need special permissions to exploit ZDI-CAN-31260?

Yes, an attacker must first have the ability to execute low-privileged code on the system to exploit ZDI-CAN-31260.