CVE-2026-62790: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62790) is a heap-based buffer overflow in the Windows SMB Server on Windows 10 Version 1607 (build 10.0.14393.0). It enables an attacker with authorized access to the SMB service to execute arbitrary code remotely. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, as detailed in their security update guide.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected Windows 10 Version 1607 system, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Apply the official security update provided by Microsoft for Windows 10 Version 1607 as referenced in the Microsoft Security Response Center advisory (https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62790). This patch fully addresses the vulnerability.
CVE-2026-62790: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows SMB Server allows an authorized attacker to execute code over a network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62790) is a heap-based buffer overflow in the Windows SMB Server on Windows 10 Version 1607 (build 10.0.14393.0). It enables an attacker with authorized access to the SMB service to execute arbitrary code remotely. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, as detailed in their security update guide.
Potential Impact
Successful exploitation allows an authorized attacker to execute arbitrary code remotely on the affected Windows 10 Version 1607 system, potentially leading to full system compromise. The vulnerability affects confidentiality, integrity, and availability of the system.
Mitigation Recommendations
Apply the official security update provided by Microsoft for Windows 10 Version 1607 as referenced in the Microsoft Security Response Center advisory (https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62790). This patch fully addresses the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:04:04.257Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62790","vendor":"Microsoft"}]
Threat ID: 6a7b5818bf8831d539155ff4
Added to database: 08/11/2026, 17:12:56 UTC
Last enriched: 08/11/2026, 21:28:48 UTC
Last updated: 08/12/2026, 03:01:20 UTC
Views: 5
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