CVE-2026-62823: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over an adjacent network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-62823) involves a heap-based buffer overflow in the Windows DHCP Server on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthenticated attacker with adjacent network access to execute arbitrary code, impacting confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation can lead to remote code execution without user interaction or privileges, resulting in full system compromise including complete confidentiality, integrity, and availability loss on affected systems running Windows 10 Version 1607 (build 10.0.14393.0). No known exploits are currently reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62823 to remediate this vulnerability.
CVE-2026-62823: CWE-122: Heap-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over an adjacent network.
CVSS v3.1
Score 8.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-62823) involves a heap-based buffer overflow in the Windows DHCP Server on Windows 10 Version 1607 (build 10.0.14393.0). Exploitation could allow an unauthenticated attacker with adjacent network access to execute arbitrary code, impacting confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation can lead to remote code execution without user interaction or privileges, resulting in full system compromise including complete confidentiality, integrity, and availability loss on affected systems running Windows 10 Version 1607 (build 10.0.14393.0). No known exploits are currently reported in the wild.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62823 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:10:38.082Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62823","vendor":"Microsoft"}]
Threat ID: 6a7b581cbf8831d53915606f
Added to database: 08/11/2026, 17:13:00 UTC
Last enriched: 08/11/2026, 21:26:14 UTC
Last updated: 08/12/2026, 04:26:59 UTC
Views: 6
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