CVE-2018-8120

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.733 · 99 %ileexploit · functionalEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 12 exploits · functional

Likely / severe?

73.3% (99th) EPSS

CVSS 7.2 · high

Is it mine?

18 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-03-15remediate by 2022-04-05

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-26

Microsoft Win32k Privilege Escalation Vulnerability

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

Technical severity, 0–10. One row per scoring source.

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.07.2highAV:L/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 10

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1 · impact 5.9

v3.17highAV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 1 · impact 5.9

v3.17highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-404USprimaryCWE-264US

exploits (12)

Public proof-of-concept and weaponised exploit code.

EDB-45653Microsoft Windows - SetImeInfoEx Win32k NULL Pointer Dereference (Metasploit)functional · exploit_db
exploit/windows/local/ms18_8120_win32k_privescWindows SetImeInfoEx Win32k NULL Pointer Dereferencefunctional · metasploit
EVOL4/CVE-2018-8120ddPoC · poc_in_github
StartZYP/CVE-2018-8120This CVE-2018-8120 FilePoC · poc_in_github
Y0n0Y/cve-2018-8120-expY0n0Y/cve-2018-8120-expPoC · poc_in_github
alpha1ab/CVE-2018-8120CVE-2018-8120 Exploit for Win2003 Win2008 WinXP Win7 PoC · poc_in_github

affected products (18)

Products and version ranges known to be affected.

Microsoft Windows 7≤ 32-bit Systems Service Pack 1enisa_euvdEU
Microsoft Windows 7≤ x64-based Systems Service Pack 1enisa_euvdEU
Microsoft Windows Server 2008≤ x64-based Systems Service Pack 2enisa_euvdEU
Microsoft Windows Server 2008≤ 32-bit Systems Service Pack 2enisa_euvdEU
Microsoft Windows Server 2008≤ 32-bit Systems Service Pack 2 (Server Core installation)enisa_euvdEU
Microsoft Windows Server 2008≤ Itanium-Based Systems Service Pack 2enisa_euvdEU
Microsoft Windows Server 2008≤ x64-based Systems Service Pack 2 (Server Core installation)enisa_euvdEU
Microsoft Windows Server 2008 R2≤ x64-based Systems Service Pack 1 (Server Core installation)enisa_euvdEU
Microsoft Windows Server 2008 R2≤ x64-based Systems Service Pack 1enisa_euvdEU
Microsoft Windows Server 2008 R2≤ Itanium-Based Systems Service Pack 1enisa_euvdEU
Microsoft Corp Windows 7 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 R2 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 R2 Service Pack 1 (Server Core installation)all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 Service Pack 2all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 Service Pack 2 (Server Core Installation)all versionsfstec_bduRU
microsoft windows 7all versionsnvdUScpe:2.3:o:microsoft:windows_7:*:*:*:*:*:*:*:*
microsoft windows server 2008all versionsnvdUScpe:2.3:o:microsoft:windows_server_2008:*:*:*:*:*:*:*:*
microsoft windows server 2008= r2nvdUScpe:2.3:o:microsoft:windows_server_2008:*:*:*:*:*:*:*:*

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2018-05-09modified 2026-08-13

related (2,015)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2023-38180US	—OT critical	14.1% (97th)	KEV	2023-08-08
.NET and Visual Studio Denial of Service Vulnerability
CVE-2018-8639US	high7.8OT critical	22.2% (98th)	KEV	2018-12-12
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." T…
CVE-2018-8611US	high7.8OT critical	4.20% (91st)	KEV	2018-12-12
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 a…
CVE-2018-8406US	high7.8OT critical	3.44% (89th)	KEV	2018-08-15
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Pri…
CVE-2018-8405US	high7.8OT critical	3.44% (89th)	KEV	2018-08-15
An elevation of privilege vulnerability exists when the DirectX Graphics Kernel (DXGKRNL) driver improperly handles objects in memory, aka "DirectX Graphics Kernel Elevation of Pri…

+2010 more

references (14)

External citations — patches, advisories, analysis.

scry

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