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 (CVE-2026-32221) involves a heap-based buffer overflow in the Microsoft Graphics Component of Windows 11 Version 24H2. An attacker with local access can exploit this flaw to execute arbitrary code, potentially gaining control over the affected system. The vulnerability is classified under CWE-122 and has a CVSS v3.1 base score of 8.4, reflecting high impact on system security. Microsoft has released an official fix to remediate this issue as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized local attacker to execute arbitrary code with the privileges of the affected user, potentially leading to full system compromise. The impact affects confidentiality, integrity, and availability of the system. No known exploits are currently reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32221 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-32221) involves a heap-based buffer overflow in the Microsoft Graphics Component of Windows 11 Version 24H2. An attacker with local access can exploit this flaw to execute arbitrary code, potentially gaining control over the affected system. The vulnerability is classified under CWE-122 and has a CVSS v3.1 base score of 8.4, reflecting high impact on system security. Microsoft has released an official fix to remediate this issue as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an unauthorized local attacker to execute arbitrary code with the privileges of the affected user, potentially leading to full system compromise. The impact affects confidentiality, integrity, and availability of the system. No known exploits are currently reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. It is strongly recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32221 to remediate this vulnerability. No additional mitigation steps are indicated by the vendor.
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: 4/14/2026, 5:32:40 PM
Last enriched: 4/14/2026, 6:01:56 PM
Last updated: 4/15/2026, 6:07:45 AM
Views: 8
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