Advisory Details

September 26th, 2024

Microsoft Windows Device Context Improper Release Local Privilege Escalation Vulnerability

CVE ID	CVE-2024-38249
CVSS SCORE	7.8, AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
AFFECTED VENDORS	Microsoft
AFFECTED PRODUCTS	Windows
VULNERABILITY DETAILS	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 specific flaw exists within the win32kfull driver. The issue results from incorrect handling of a device context at the time of its release. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
ADDITIONAL DETAILS	Microsoft has issued an update to correct this vulnerability. More details can be found at: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38249
DISCLOSURE TIMELINE	2024-06-05 - Vulnerability reported to vendor 2024-09-26 - Coordinated public release of advisory 2024-09-26 - Advisory Updated
CREDIT	Marcin Wiazowski

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