CVE-2026-50336: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 Version 24H2
Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50336) involves a heap-based buffer overflow in the Windows Media component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The CVSS v3.1 score is 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows a local authorized attacker to elevate privileges, potentially gaining higher-level access on the affected Windows 11 system. This can lead to full system compromise depending on the privileges gained.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as soon as possible to remediate this vulnerability.
CVE-2026-50336: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 Version 24H2
Description
Heap-based buffer overflow in Windows Media allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50336) involves a heap-based buffer overflow in the Windows Media component of Microsoft Windows 11 Version 24H2 (build 10.0.26100.0). An attacker with local authorized access can exploit this flaw to elevate their privileges on the affected system. The CVSS v3.1 score is 7.8, indicating high severity, with impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows a local authorized attacker to elevate privileges, potentially gaining higher-level access on the affected Windows 11 system. This can lead to full system compromise depending on the privileges gained.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 11 Version 24H2 (build 10.0.26100.0) as soon as possible to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T18:15:10.952Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50336","vendor":"Microsoft"}]
Threat ID: 6a56769168715ace43f08c80
Added to database: 07/14/2026, 17:49:05 UTC
Last enriched: 08/13/2026, 14:35:06 UTC
Last updated: 08/27/2026, 22:52:12 UTC
Views: 82
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