CVE-2026-32221: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 Version 24H2
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability involves a heap-based buffer overflow in the Microsoft Graphics Component within Windows 11 Version 24H2 (build 10.0.26100.0). Exploitation could allow an attacker to execute arbitrary code locally without user interaction or privileges. The vulnerability is tracked as CWE-122 and has been assigned CVE-2026-32221. Microsoft has released an official fix to remediate the issue.
Potential Impact
Successful exploitation of this vulnerability could result in local code execution with high impact on confidentiality, integrity, and availability of the affected system. This could allow an attacker to run arbitrary code in the context of the current user, potentially leading to full system compromise.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32221 to remediate this vulnerability.
CVE-2026-32221: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 11 Version 24H2
Description
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
CVSS v3.1
Score 8.4high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a heap-based buffer overflow in the Microsoft Graphics Component within Windows 11 Version 24H2 (build 10.0.26100.0). Exploitation could allow an attacker to execute arbitrary code locally without user interaction or privileges. The vulnerability is tracked as CWE-122 and has been assigned CVE-2026-32221. Microsoft has released an official fix to remediate the issue.
Potential Impact
Successful exploitation of this vulnerability could result in local code execution with high impact on confidentiality, integrity, and availability of the affected system. This could allow an attacker to run arbitrary code in the context of the current user, potentially leading to full system compromise.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32221 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-11T01:49:58.662Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32221","vendor":"Microsoft"}]
Threat ID: 69de7a3882d89c981fd6cee7
Added to database: 04/14/2026, 17:32:40 UTC
Last enriched: 06/19/2026, 17:12:06 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 141
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