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 low-privileged code on the affected Windows system. This is a local privilege-escalation vulnerability, not an initial-access issue.
2
What could a successful attacker achieve?
A successful local attacker could escalate privileges on the affected Microsoft Windows installation.