CVE-2018-8639

UNKNOWN

Published 2018-12-12T00:00:00.000Z

Actions:

CVSS Score

V3.1

7.8

/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Score Metrics

Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01

0.001

probability

of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25

Exploit Probability

Percentile: 0.335

Higher than 33.5% of all CVEs

Attack Vector Metrics

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Impact Metrics

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

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. This CVE ID is unique from CVE-2018-8641.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Microsoft

Windows 7

Affected Versions:

32-bit Systems Service Pack 1 x64-based Systems Service Pack 1

Microsoft

Windows Server 2012 R2

Affected Versions:

(Server Core installation)

Microsoft

Windows RT 8.1

Affected Versions:

Windows RT 8.1

Microsoft

Windows Server 2008

Affected Versions:

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)

Microsoft

Windows Server 2019

Affected Versions:

(Server Core installation)

Microsoft

Windows Server 2012

Affected Versions:

(Server Core installation)

Microsoft

Windows 8.1

Affected Versions:

32-bit systems x64-based systems

Microsoft

Windows Server 2016

Affected Versions:

(Server Core installation)

Microsoft

Windows Server 2008 R2

Affected Versions:

Itanium-Based Systems Service Pack 1 x64-based Systems Service Pack 1 x64-based Systems Service Pack 1 (Server Core installation)

Microsoft

Windows 10

Affected Versions:

32-bit Systems Version 1607 for 32-bit Systems Version 1607 for x64-based Systems Version 1703 for 32-bit Systems Version 1703 for x64-based Systems Version 1709 for 32-bit Systems Version 1709 for ARM64-based Systems Version 1709 for x64-based Systems Version 1803 for 32-bit Systems Version 1803 for ARM64-based Systems Version 1803 for x64-based Systems Version 1809 for 32-bit Systems Version 1809 for ARM64-based Systems Version 1809 for x64-based Systems x64-based Systems

Microsoft

Windows 10 Servers

Affected Versions:

version 1709 (Server Core Installation) version 1803 (Server Core Installation)

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

March 24, 2025

Added to KEV

March 3, 2025

Required Action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected Product

Vendor/Project: Microsoft

Product: Windows

Ransomware Risk

Known Ransomware Use

KEV Catalog Version: 2025.03.03 Released: March 3, 2025

References

http://www.securityfocus.com/bid/106093

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639

Published: 2018-12-12T00:00:00.000Z

Last Modified: 2025-03-03T20:14:13.902Z

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