CVE-2026-62755: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a stack-based buffer overflow in the Windows DHCP Client on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges. The vulnerability is tracked as CWE-121 and has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, and no known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate privileges, potentially gaining higher-level access to the affected system. This can lead to full system compromise depending on the privileges obtained.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62755 for detailed patch information and guidance.
CVE-2026-62755: CWE-121: Stack-based Buffer Overflow in Microsoft Windows 10 Version 1607
Description
Stack-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a stack-based buffer overflow in the Windows DHCP Client on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local authorized access can exploit this flaw to elevate their privileges. The vulnerability is tracked as CWE-121 and has a CVSS 3.1 base score of 7.8, indicating high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability, and no known exploits are reported in the wild at this time.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate privileges, potentially gaining higher-level access to the affected system. This can lead to full system compromise depending on the privileges obtained.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 to remediate this vulnerability. Refer to the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62755 for detailed patch information and guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T21:01:21.824Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62755","vendor":"Microsoft"}]
Threat ID: 6a7b5813bf8831d539155bfb
Added to database: 08/11/2026, 17:12:51 UTC
Last enriched: 08/11/2026, 21:56:44 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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