CVE-2018-8453

HighActively exploited (CISA KEV)Known to be used in ransomware campaigns

Description

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 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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductMicrosoft Win32k
PublishedOct 10, 2018
First seenOct 10, 2018
Added to KEVJan 21, 2022

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: Jul 21, 2022

Affected products

ProductAffected versionsFixed in
microsoft windows_10_1507No range specified—
microsoft windows_10_1607No range specified—
microsoft windows_10_1703No range specified—
microsoft windows_10_1709No range specified—
microsoft windows_10_1803No range specified—
microsoft windows_10_1809No range specified—
microsoft windows_7No range specified—
microsoft windows_8.1No range specified—
microsoft windows_rt_8.1No range specified—
microsoft windows_server_1709No range specified—
microsoft windows_server_1803No range specified—
microsoft windows_server_2008No range specified, r2—
microsoft windows_server_2012No range specified, r2—
microsoft windows_server_2016No range specified—
microsoft windows_server_2019No range specified—

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