CVE-2026-54122: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
CVE-2026-54122 is a heap-based buffer overflow vulnerability in the Windows GDI+ component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized local attacker to execute arbitrary code on the affected system. The vulnerability has a high severity with a CVSS score of 8.4. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-54122) involves a heap-based buffer overflow in the Windows GDI+ graphics component on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access and no user interaction or privileges are needed. Successful exploitation could lead to full compromise of confidentiality, integrity, and availability by executing arbitrary code locally. Microsoft has published an official fix to address this issue.
Potential Impact
An attacker with local access can exploit this vulnerability to execute arbitrary code with the privileges of the affected user, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.
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-2026-54122 to remediate this vulnerability.
CVE-2026-54122: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
CVE-2026-54122 is a heap-based buffer overflow vulnerability in the Windows GDI+ component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized local attacker to execute arbitrary code on the affected system. The vulnerability has a high severity with a CVSS score of 8.4. An official fix is available from Microsoft.
CVSS v3.1
Score 8.4high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-54122) involves a heap-based buffer overflow in the Windows GDI+ graphics component on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation requires local access and no user interaction or privileges are needed. Successful exploitation could lead to full compromise of confidentiality, integrity, and availability by executing arbitrary code locally. Microsoft has published an official fix to address this issue.
Potential Impact
An attacker with local access can exploit this vulnerability to execute arbitrary code with the privileges of the affected user, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system. There are no known exploits in the wild at this time.
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-2026-54122 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-11T20:33:37.836Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54122","vendor":"Microsoft"}]
Threat ID: 6a566f7d68715ace43e6bb8b
Added to database: 07/14/2026, 17:18:53 UTC
Last enriched: 07/15/2026, 01:03:42 UTC
Last updated: 07/15/2026, 01:03:42 UTC
Views: 2
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