CVE-2026-42916: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607
Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
CVE-2026-42916 is a CWE-190 integer underflow (wraparound) vulnerability affecting the Windows NT OS Kernel in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw enables an authorized local attacker to elevate privileges by exploiting the integer wraparound condition in kernel code. The vulnerability has been assigned a CVSS v3.1 base score of 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate privileges on the affected system. This can lead to full control over the system, compromising confidentiality, integrity, and availability of the operating system and data.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42916 for detailed patch information and update instructions.
CVE-2026-42916: CWE-190: Integer Overflow or Wraparound in Microsoft Windows 10 Version 1607
Description
Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-42916 is a CWE-190 integer underflow (wraparound) vulnerability affecting the Windows NT OS Kernel in Microsoft Windows 10 Version 1607 (build 10.0.14393.0). The flaw enables an authorized local attacker to elevate privileges by exploiting the integer wraparound condition in kernel code. The vulnerability has been assigned a CVSS v3.1 base score of 7.8, indicating high severity with high impact on confidentiality, integrity, and availability. Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability allows an authorized local attacker to elevate privileges on the affected system. This can lead to full control over the system, compromising confidentiality, integrity, and availability of the operating system and data.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this issue. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42916 for detailed patch information and update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T22:35:54.969Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42916","vendor":"Microsoft"}]
Threat ID: 6a284cc48dd33fbd85664820
Added to database: 6/9/2026, 5:26:28 PM
Last enriched: 6/9/2026, 10:57:23 PM
Last updated: 6/10/2026, 6:26:25 AM
Views: 5
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