8.4
CVE-2018-8639
- EPSS 28.08%
- Published 12.12.2018 00:29:01
- Last modified 09.06.2025 20:58:58
- Source secure@microsoft.com
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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.
Data is provided by the National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1507 Version-
Microsoft ≫ Windows 10 1607 Version-
Microsoft ≫ Windows 10 1703 Version-
Microsoft ≫ Windows 10 1709 Version-
Microsoft ≫ Windows 10 1803 Version-
Microsoft ≫ Windows 10 1809 Version-
Microsoft ≫ Windows 8.1 Version- SwEditionpro_n
Microsoft ≫ Windows Rt 8.1 Version-
Microsoft ≫ Windows Server 2008 Version- Updatesp2
Microsoft ≫ Windows Server 2008 Versionr2 HwPlatformitanium
Microsoft ≫ Windows Server 2008 Versionr2 HwPlatformx64
Microsoft ≫ Windows Server 2008 Versionr2 Updatesp1
Microsoft ≫ Windows Server 2012 Version-
Microsoft ≫ Windows Server 2012 Versionr2
Microsoft ≫ Windows Server 2016 Version-
Microsoft ≫ Windows Server 2019 Version-
03.03.2025: CISA Known Exploited Vulnerabilities (KEV) Catalog
Microsoft Windows Win32k Improper Resource Shutdown or Release Vulnerability
VulnerabilityMicrosoft 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.
DescriptionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Required actions| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 28.08% | 0.963 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 7.2 | 3.9 | 10 |
AV:L/AC:L/Au:N/C:C/I:C/A:C
|
| 134c704f-9b21-4f2e-91b3-4a467353bcc0 | 8.4 | 2.5 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
CWE-404 Improper Resource Shutdown or Release
The product does not release or incorrectly releases a resource before it is made available for re-use.