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CVE-2018-8120

HIGH

7

CVSS Score

Published: May 9, 2018 at 07:00 PM UTC

Updated: August 13, 2026 at 05:37 AM UTC

2 products affected across 1 vendorWindows Server 2008Windows 7

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Severity

HIGH7

Exploitation

CISA KEV

Exploit prediction

EPSS 73%

SSVC

Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score73.3%

EPSS (Exploit Prediction Scoring System) estimates a 73.3% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

A privilege escalation vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory.

Required Action

Apply updates per vendor instructions.

Ransomware Use

Known

Added to KEV

Mar 15, 2022

Remediation Due

Apr 5, 2022

1666 days overdue

Notes

https://nvd.nist.gov/vuln/detail/CVE-2018-8120

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 7 · Microsoft

95%

32-bit Systems Service Pack 1sp1x64-based Systems Service Pack 1

Windows Server 2008 · Microsoft

95%

32-bit Systems Service Pack 2 32-bit Systems Service Pack 2 (Server Core installation)Itanium-Based Systems Service Pack 1 Itanium-Based Systems Service Pack 2 r2 sp1sp2x64-based Systems Service Pack 1 x64-based Systems Service Pack 1 (Server Core installation)x64-based Systems Service Pack 2 x64-based Systems Service Pack 2 (Server Core installation)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8120

References (5)

VDB Entryx_refsource_BIDBroken LinkThird Party Advisory

Source: [email protected]

http://www.securityfocus.com/bid/104034

VDB Entryx_refsource_SECTRACKBroken LinkThird Party Advisory

Source: [email protected]

http://www.securitytracker.com/id/1040849

x_refsource_CONFIRMPatchVendor Advisory

Source: [email protected]

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8120

Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry

Source: [email protected]

https://www.exploit-db.com/exploits/45653/

US Government Resource

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8120

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7HIGHCISA-ADP

Attack Vector: LOCAL
Complexity: HIGH
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-404

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