CVE-2024-38246: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 21H2
Win32k Elevation of Privilege Vulnerability
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2024-38246, is a stack-based buffer overflow (CWE-121) in the Win32k subsystem of Microsoft Windows 10 Version 21H2. It can be exploited to elevate privileges from a low-privileged user context to higher privileges. The CVSS 3.1 base score is 7.0, indicating high severity, with attack vector local, high attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with local access and low privileges to execute code with elevated privileges, compromising system confidentiality, integrity, and availability. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38246 to remediate this vulnerability.
CVE-2024-38246: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 21H2
Description
Win32k Elevation of Privilege Vulnerability
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2024-38246, is a stack-based buffer overflow (CWE-121) in the Win32k subsystem of Microsoft Windows 10 Version 21H2. It can be exploited to elevate privileges from a low-privileged user context to higher privileges. The CVSS 3.1 base score is 7.0, indicating high severity, with attack vector local, high attack complexity, low privileges required, no user interaction, and impacts on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker with local access and low privileges to execute code with elevated privileges, compromising system confidentiality, integrity, and availability. There are no known exploits in the wild at the time of publication.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38246 to remediate this vulnerability.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- microsoft
- Date Reserved
- 2024-06-11T22:36:08.232Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38246","vendor":"Microsoft"}]
Threat ID: 699f6c77b7ef31ef0b564b1f
Added to database: 02/25/2026, 21:41:11 UTC
Last enriched: 08/11/2026, 15:52:21 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 31
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