CVE-2026-62890: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows GDI+ allows an authorized attacker to execute code locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62890) involves a heap-based buffer overflow in the Windows GDI+ component on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to execute arbitrary code with elevated privileges. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an authorized local attacker to execute arbitrary code on the affected system, potentially leading to full compromise including confidentiality, integrity, and availability impacts. The CVSS 3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability.
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-2026-62890 to remediate this vulnerability.
CVE-2026-62890: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows GDI+ allows an authorized attacker to execute code locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62890) involves a heap-based buffer overflow in the Windows GDI+ component on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to execute arbitrary code with elevated privileges. The vulnerability is classified under CWE-122 (Heap-based Buffer Overflow). Microsoft has published an official fix to remediate this issue.
Potential Impact
Successful exploitation of this vulnerability could allow an authorized local attacker to execute arbitrary code on the affected system, potentially leading to full compromise including confidentiality, integrity, and availability impacts. The CVSS 3.1 base score is 7.8, indicating high severity with high impact on confidentiality, integrity, and availability.
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-2026-62890 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:13:55.101Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62890","vendor":"Microsoft"}]
Threat ID: 6a7b5821bf8831d539156154
Added to database: 08/11/2026, 17:13:05 UTC
Last enriched: 08/11/2026, 20:58:31 UTC
Last updated: 08/12/2026, 02:01:11 UTC
Views: 4
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