High severity · published Nov 14, 2018
CVE-2018-8589
Microsoft Win32k Privilege Escalation Vulnerability
In wildKEV
7.8
CVSS
3%
EPSS
Yes
On KEV
Description
An elevation of privilege vulnerability exists when Windows improperly handles calls to Win32k.sys, aka "Windows Win32k Elevation of Privilege Vulnerability." This affects Windows Server 2008, Windows 7, Windows Server 2008 R2.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildYes
CISA KEVListed May 23, 2022
Federal remediation dueJun 13, 2022
Ransomware campaign useNot known
Affected products
Which versions
W7
Windows 7 · Microsoft
32-bit Systems Service Pack 1; x64-based Systems Service Pack 1 · source: vendor, NVD
WS
Windows Server 2008 · Microsoft
32-bit Systems Service Pack 2; 32-bit Systems Service Pack 2 (Server Core installation); Itanium-Based Systems Service Pack 2; x64-based Systems Service Pack 2; x64-based Systems Service Pack 2 (Server Core installation) · source: vendor, NVD
WS
Windows Server 2008 R2 · Microsoft
Itanium-Based Systems Service Pack 1; x64-based Systems Service Pack 1; x64-based Systems Service Pack 1 (Server Core installation) · source: vendor
WI
Win32k · Microsoft
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-8589
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8589
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vdb-entry
http://www.securityfocus.com/bid/105796
vdb-entry
http://www.securitytracker.com/id/1042140
x_refsource_CONFIRM
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8589
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