CVE-2026-65799: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607
Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow or wraparound in the Windows DNS implementation on Windows 10 Version 1607 (build 10.0.14393.0). Exploiting this flaw requires local access with high privileges and can result in privilege escalation. The vulnerability is tracked as CWE-190 and has been assigned CVE-2026-65799. Microsoft has published an official fix to remediate the issue.
Potential Impact
An authorized local attacker with high privileges can exploit this vulnerability to elevate their privileges further, potentially gaining full control over the affected system. The confidentiality, integrity, and availability of the system can be fully compromised if exploited.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from Microsoft promptly to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-65799: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607
Description
Integer overflow or wraparound in Windows DNS allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 6.7medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow or wraparound in the Windows DNS implementation on Windows 10 Version 1607 (build 10.0.14393.0). Exploiting this flaw requires local access with high privileges and can result in privilege escalation. The vulnerability is tracked as CWE-190 and has been assigned CVE-2026-65799. Microsoft has published an official fix to remediate the issue.
Potential Impact
An authorized local attacker with high privileges can exploit this vulnerability to elevate their privileges further, potentially gaining full control over the affected system. The confidentiality, integrity, and availability of the system can be fully compromised if exploited.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from Microsoft promptly to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-22T21:36:47.629Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65799","vendor":"Microsoft"}]
Threat ID: 6a7b5833bf8831d5391564c7
Added to database: 08/11/2026, 17:13:23 UTC
Last enriched: 08/11/2026, 19:44:05 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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