⚠ Actively exploited
Added to CISA KEV on 2022-05-24. Federal agencies required to patch by 2022-06-14. Required action: Apply updates per vendor instructions..

CVE-2018-8611

CWE-40419 documents11 sources
Severity
7.8HIGH
EPSS
16.4%
top 5.14%
CISA KEV
KEV
Added 2022-05-24
Due 2022-06-14
Exploit
Exploited in wild
Active exploitation observed
Timeline
PublishedDec 12
KEV addedMay 24
KEV dueJun 14
CISA Required Action: Apply updates per vendor instructions.

Description

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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages12 packages

CVEListV5microsoft/windows_server_20085 versions+4
CVEListV5microsoft/windows_server_2012(Server Core installation)
CVEListV5microsoft/windows_server_2008_r2Itanium-Based Systems Service Pack 1, x64-based Systems Service Pack 1, x64-based Systems Service Pack 1 (Server Core installation)+2
CVEListV5microsoft/windows_server_2012_r2(Server Core installation)
CVEListV5microsoft/windows_10_serversversion 1709 (Server Core Installation), version 1803 (Server Core Installation)+1

Patches

🔴Vulnerability Details

3
GHSA
GHSA-24mr-rp5r-phj8: An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka "Windows Kernel Elevation of Pr2022-05-13
CVEList
CVE-2018-8611: An elevation of privilege vulnerability exists when the Windows kernel fails to properly handle objects in memory, aka "Windows Kernel Elevation of Pr2018-12-12
VulnCheck
Microsoft Windows Kernel Privilege Escalation Vulnerability2018

📋Vendor Advisories

2
CISA
Microsoft Windows Kernel Privilege Escalation Vulnerability2022-05-24
Microsoft
Windows Kernel Elevation of Privilege Vulnerability2018-12-11

🕵️Threat Intelligence

10
Securelist
New zero-day vulnerability CVE-2019-0859 in win32k.sys2019-04-15
Trendmicro
Patch Tuesday Fixes Win32k, Windows DNS Server Flaws2018-12-12
Trendmicro
Patch Tuesday Fixes Win32k, Windows DNS Server Flaws2018-12-12
Trendmicro
Patch Tuesday Fixes Win32k, Windows DNS Server Flaws2018-12-12
Securelist
Zero-day in Windows Kernel Transaction Manager (CVE-2018-8611)2018-12-12