CVE-2018-8611highunder attackCWE-404

CVE-2018-8611: high-severity vulnerability in Microsoft Windows 7

Published · Updated

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71Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA and has a public proof of concept.

ssvc Actcvss 7.8epss 4.2%
from disclosure to weapon867 days
Published on NVDDec 12
1st PoC+867d
CISA KEV+1259d
Action required by CISAfederal deadline: 2022-06-14

Apply updates per vendor instructions.

In short

A flaw in the Windows kernel allows an attacker with local access to gain higher privileges on the system by exploiting improper memory object handling. This could let them take full control of the computer.

Technical detail

CWE-404 null pointer dereference or similar memory object mishandling in Windows kernel allows local privilege escalation. Requires prior local code execution; successful exploitation grants SYSTEM-level privileges across multiple Windows versions (7, 8.1, 10, Server 2008-2019).

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 when the Windows kernel fails to properly handle objects in memory, aka "Windows Kernel Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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