CVE-2018-8639
Microsoft Windows Win32k Improper Resource Shutdow - [Actively Exploited]
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.
INFO
Published Date :
Dec. 12, 2018, 12:29 a.m.
Last Modified :
March 4, 2025, 2 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
5.9
Exploitability Score :
1.8
CISA KEV (Known Exploited Vulnerabilities)
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.
Microsoft Windows Win32k contains an improper resource shutdown or release vulnerability that allows for local, authenticated privilege escalation. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2018-8639 ; https://nvd.nist.gov/vuln/detail/CVE-2018-8639
Public PoC/Exploit Available at Github
CVE-2018-8639 has a 31 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2018-8639
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-8639.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/106093 | 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 | Third Party Advisory VDB Entry |
| https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639 | Patch Vendor Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
DayOne: Critical Vulnerability Root Cause Analysis Platform
Python JavaScript Ruby HTML Assembly Makefile C Objective-C Shell Dockerfile
None
C++ Ruby Python C Perl CMake Assembly Shell PowerShell C#
None
C++ Ruby Python C Perl CMake Assembly Shell PowerShell C#
None
安全类各家文库大乱斗
HTML CSS JavaScript Go Python Shell C
None
C++ Ruby Python C Perl CMake Assembly Shell PowerShell C#
None
C++ Ruby Python C Perl CMake Assembly Shell PowerShell C#
None
C++ Ruby Python C Perl CMake Assembly Shell PowerShell C#
None
C++ Ruby Python C Perl CMake Assembly Shell PowerShell C#
None
C++ Ruby Python C Perl CMake Assembly Shell PowerShell C#
Collection of Windows Privilege Escalation (Analyse/PoC/Exploit)
Windows全版本提权脚本
exploit
C++ Ruby Python C Perl CMake Assembly Shell PowerShell C#
None
C++ Ruby Python C Perl CMake Objective-C Assembly Shell PowerShell
None
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-8639 vulnerability anywhere in the article.
-
Cyber Security News
CISA Warns of Windows Win32k Vulnerability Exploited to Run Arbitrary code
The Cybersecurity and Infrastructure Security Agency (CISA) has issued an advisory regarding CVE-2018-8639, a privilege escalation vulnerability in the Microsoft Windows Win32k component, which threat ... Read more
-
The Cyber Express
Newly Exploited Vulnerabilities Target Cisco, Microsoft, and More – CISA Warns
The Cybersecurity and Infrastructure Security Agency (CISA) recently updated its Known Exploited Vulnerabilities (KEV) Catalog by adding five vulnerabilities that have been actively exploited in the w ... Read more
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The Hacker News
Cisco, Hitachi, Microsoft, and Progress Flaws Actively Exploited—CISA Sounds Alarm
Cyber Attack / Vulnerability The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added five security flaws impacting software from Cisco, Hitachi Vantara, Microsoft Windows, and ... Read more
-
Cybersecurity News
Critical Flaws Exploited: Cisco, Windows, Hitachi, WhatsUp Gold at Risk
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning for federal agencies to mitigate security vulnerabilities being actively exploited in Cisco routers, Windows syste ... Read more
-
TheCyberThrone
CISA KEV Catalog Update Part I – March 2025
On March 3, 2025, the Cybersecurity and Infrastructure Security Agency (CISA) updated its Known Exploited Vulnerabilities (KEV) catalog by adding several new vulnerabilities, including those affecting ... Read more
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BleepingComputer
CISA tags Windows, Cisco vulnerabilities as actively exploited
CISA has warned US federal agencies to secure their systems against attacks exploiting vulnerabilities in Cisco and Windows systems. While the cybersecurity agency has tagged these flaws as actively e ... Read more
The following table lists the changes that have been made to the
CVE-2018-8639 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Modified Analysis by [email protected]
Mar. 05, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Removed CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *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_10:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:*:* OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *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_2016:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:*:* *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_10_1507:-:*:*:*:*:*:*:* -
CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725
Mar. 04, 2025
Action Type Old Value New Value Added Date Added 2025-03-03 Added Due Date 2025-03-24 Added 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. Added Vulnerability Name Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 03, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-404 -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/106093 Added Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Oct. 03, 2019
Action Type Old Value New Value Changed CWE CWE-264 CWE-264 CWE-404 -
CPE Deprecation Remap by [email protected]
May. 08, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_8.1:-:-:-:*:-:-:*:* OR *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:pro_n:*:*:* -
CPE Deprecation Remap by [email protected]
May. 08, 2019
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2012:r2:-:-:*:*:*:*:* OR *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Dec. 17, 2018
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8639 Patch, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/106093 No Types Assigned http://www.securityfocus.com/bid/106093 Third Party Advisory, VDB Entry Added CWE CWE-264 Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *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:-:-:-:*:-:-:*:* *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_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_2016:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Dec. 12, 2018
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/106093 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-8639 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-8639
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.57 }} 0.50%
score
0.78195
percentile