ZDI-26-621: Microsoft Windows UMPDDrvRealizeBrush Improper Object Management Local Privilege Escalation Vulnerability
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
Event History
Frequently Asked Questions
Who is exposed to exploitation?
Affected Microsoft Windows installations are exposed when an attacker can already execute code locally under a low-privileged account. This is a local privilege-escalation issue, not an indication of remote exploitation from the provided information.
What access does an attacker need before exploiting it?
The attacker must first obtain the ability to execute low-privileged code on the target system. The provided information does not identify any additional prerequisites or affected configuration details.
Which identifier and severity rating apply to this issue?
The assigned CVE is CVE-2026-62712. ZDI assigned a CVSS rating of 7.8.