CVE-2018-8639

  1. Yack CVE
  2. Vulnerabilities (CVE)
  3. CVE-2018-8639

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

A

n 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.

References
Link Resource
http://www.securityfocus.com/bid/106093 Broken Link Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639 Patch Vendor Advisory
http://www.securityfocus.com/bid/106093 Broken Link Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639 Patch Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8639 US Government Resource
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:*:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:itanium:*
cpe:2.3:o:microsoft:windows_server_2008:r2:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
History

29 Oct 2025, 14:46

Type Values Removed Values Added
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8639 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8639 - US Government Resource

22 Oct 2025, 00:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8639 -

21 Oct 2025, 20:17

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8639', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:17

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8639 -

09 Jun 2025, 20:58

Type Values Removed Values Added
CPE cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*		 cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
References () http://www.securityfocus.com/bid/106093 - Third Party Advisory, VDB Entry () http://www.securityfocus.com/bid/106093 - Broken Link, Third Party Advisory, VDB Entry

05 Mar 2025, 16:24

Type Values Removed Values Added
CPE cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*		 cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*
First Time Microsoft windows 10 1803
Microsoft windows 10 1709
Microsoft windows 10 1507
Microsoft windows 10 1703
Microsoft windows 10 1607
Microsoft windows 10 1809

21 Nov 2024, 04:14

Type Values Removed Values Added
References () http://www.securityfocus.com/bid/106093 - Third Party Advisory, VDB Entry () http://www.securityfocus.com/bid/106093 - Third Party Advisory, VDB Entry
References () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639 - Patch, Vendor Advisory () https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639 - Patch, Vendor Advisory
Information

Published : 2018-12-12 00:29

Updated : 2025-10-29 14:46

NVD link : CVE-2018-8639

Mitre link : CVE-2018-8639

CVE.ORG link : CVE-2018-8639

JSON object : View

Products Affected

microsoft

CWE
CWE-404

Improper Resource Shutdown or Release