High severity · published May 9, 2018
CVE-2018-8120
Microsoft Win32k Privilege Escalation Vulnerability
RansomwareIn wildKEV
7.0
CVSS
73.3%
EPSS
Yes
On KEV
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 Server 2008, Windows 7, Windows Server 2008 R2. This CVE ID is unique from CVE-2018-8124, CVE-2018-8164, CVE-2018-8166.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)73.3% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed Mar 15, 2022
Federal remediation dueApr 5, 2022
Ransomware campaign useKnown
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-2018-8120
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-8120
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
exploit
https://www.exploit-db.com/exploits/45653/
vdb-entry
http://www.securitytracker.com/id/1040849
vdb-entry
http://www.securityfocus.com/bid/104034
x_refsource_CONFIRM
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8120
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