CVE-2026-54122: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-54122) involves a heap-based buffer overflow in the Windows GDI+ library on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation of this flaw could allow an attacker to execute arbitrary code locally without requiring user interaction or privileges. The issue is tracked under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could lead to local code execution with high impact on confidentiality, integrity, and availability of the affected system. Because the attack vector is local and requires no privileges or user interaction, it poses a significant risk to affected systems if exploited.
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
Heap-based buffer overflow in Windows GDI+ 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 (CVE-2026-54122) involves a heap-based buffer overflow in the Windows GDI+ library on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation of this flaw could allow an attacker to execute arbitrary code locally without requiring user interaction or privileges. The issue is tracked under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to address this vulnerability.
Potential Impact
Successful exploitation of this vulnerability could lead to local code execution with high impact on confidentiality, integrity, and availability of the affected system. Because the attack vector is local and requires no privileges or user interaction, it poses a significant risk to affected systems if exploited.
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: 08/13/2026, 15:22:01 UTC
Last updated: 08/26/2026, 06:48:19 UTC
Views: 72
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