ZDI-CAN-30746: ZDI-26-618: Microsoft Windows UMPDDrvStretchBlt Improper Object Management Local Privilege Escalation Vulnerability
Published Sep 8, 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-2026-62712.
Affected Software
1 affected component
Microsoft Windows
Event History
Sep 8, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What level of access does an attacker need before exploiting this issue?
The attacker must already be able to execute code as a low-privileged local user on the affected Windows system. The issue is therefore relevant after initial local access or code execution has been obtained.
2
What is the likely impact of successful exploitation?
Successful exploitation allows a local attacker to escalate privileges on the affected installation. The advisory assigns the issue CVSS 7.8.