CVE-2026-42982: CWE-1288: Improper Validation of Consistency within Input in Microsoft Windows 10 Version 1607
Improper validation of consistency within input in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-42982) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-1288, indicating improper validation of consistency within input. The flaw exists in the Windows Secure Kernel Mode, enabling an authorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.8 (high), reflecting local attack vector with low complexity, no user interaction, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected system, potentially gaining higher-level access than intended. The impact includes full compromise of confidentiality, integrity, and availability of the affected system components running Windows 10 Version 1607.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from the Microsoft Security Response Center to remediate this issue. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-42982: CWE-1288: Improper Validation of Consistency within Input in Microsoft Windows 10 Version 1607
Description
Improper validation of consistency within input in Windows Secure Kernel Mode 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 (CVE-2026-42982) affects Windows 10 Version 1607 (build 10.0.14393.0) and is classified under CWE-1288, indicating improper validation of consistency within input. The flaw exists in the Windows Secure Kernel Mode, enabling an authorized local attacker to elevate privileges. The CVSS 3.1 base score is 7.8 (high), reflecting local attack vector with low complexity, no user interaction, and high impact on confidentiality, integrity, and availability. Microsoft has published an official fix for this vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges on the affected system, potentially gaining higher-level access than intended. The impact includes full compromise of confidentiality, integrity, and availability of the affected system components running Windows 10 Version 1607.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the provided security update from the Microsoft Security Response Center 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
- 2026-04-30T23:43:50.745Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42982","vendor":"Microsoft"}]
Threat ID: 6a566f6768715ace43e6b30e
Added to database: 07/14/2026, 17:18:31 UTC
Last enriched: 08/13/2026, 14:15:23 UTC
Last updated: 08/27/2026, 11:04:02 UTC
Views: 60
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