CVE-2018-8120highunder attackransomwareCWE-404

CVE-2018-8120: high-severity vulnerability in Microsoft Windows Server 2008

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100Vexday Risk Score

Patch now. It under exploitation confirmed by CISA and has a working public exploit.

ssvc Actcvss 7epss 73%
from disclosure to weapon8 days
Published on NVDMay 9
1st PoC+8d
metasploitMay 9
CISA KEV+1406d
Action required by CISAfederal deadline: 2022-04-05

Apply updates per vendor instructions.

In short

A flaw in Windows' graphics system (Win32k) allows a regular user to gain administrative privileges by exploiting improper memory handling. This is dangerous because attackers can take full control of affected computers.

Technical detail

An elevation of privilege vulnerability in the Win32k component stemming from improper object memory handling allows an authenticated local attacker to execute arbitrary code with system privileges. The attack requires local access and successful exploitation results in complete system compromise; this vulnerability affects Windows Server 2008, Windows 7, and Windows Server 2008 R2.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka "Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8124, CVE-2018-8164, CVE-2018-8166.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Microsoft · Windows 7Microsoft · Windows Server 2008Microsoft · Windows Server 2008 R2
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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