ZDI-26-618: Microsoft Windows UMPDDrvStretchBlt Improper Object Management Local Privilege Escalation Vulnerability
ZDI disclosed CVE-2026-62712, a CVSS 7.8 Windows UMPDDrvStretchBlt improper object-management flaw enabling local privilege escalation.
Zero Day Initiative advisory ZDI-26-618 describes an improper object management issue in Microsoft Windows' UMPDDrvStretchBlt component. A local attacker who can already execute low-privileged code on the system can escalate privileges. The flaw carries a CVSS 3.0 rating of 7.8; details on affected versions and patch availability are limited in the advisory.
- Local privilege escalation in Windows UMPDDrvStretchBlt component
- CVSS 3.0 score of 7.8 assigned by ZDI
- Exploitation requires prior execution of low-privileged code
- CVEs
- CVE-2026-62712
- Vendors
- MicrosoftZero Day Initiative
- Products
- Windows
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-62712 | Heap Buffer Overflow in Windows Win32K Enables Local Privilege Escalation | 7.8 | <1% |
From the original article
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.
zerodayinitiative.com
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