CVE-2026-50300: CWE-191: Integer Underflow (Wrap or Wraparound) in Microsoft Windows 10 Version 1607
Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability involves an integer underflow (wrap or wraparound) condition in the Windows Kernel component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An authorized local attacker can exploit this flaw to disclose information. The vulnerability does not affect integrity or availability but impacts confidentiality. Microsoft has released an official fix to address this issue.
Potential Impact
The vulnerability allows an authorized local attacker to disclose sensitive information due to an integer underflow in the Windows Kernel. It does not affect system integrity or availability. The impact is limited to confidentiality compromise on affected systems running Windows 10 Version 1607.
Mitigation Recommendations
An official fix is available from Microsoft to remediate this vulnerability. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50300 to mitigate this issue.
CVE-2026-50300: CWE-191: Integer Underflow (Wrap or Wraparound) in Microsoft Windows 10 Version 1607
Description
Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer underflow (wrap or wraparound) condition in the Windows Kernel component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). An authorized local attacker can exploit this flaw to disclose information. The vulnerability does not affect integrity or availability but impacts confidentiality. Microsoft has released an official fix to address this issue.
Potential Impact
The vulnerability allows an authorized local attacker to disclose sensitive information due to an integer underflow in the Windows Kernel. It does not affect system integrity or availability. The impact is limited to confidentiality compromise on affected systems running Windows 10 Version 1607.
Mitigation Recommendations
An official fix is available from Microsoft to remediate this vulnerability. Users and administrators should apply the security update provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50300 to mitigate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-04T17:30:16.974Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50300","vendor":"Microsoft"}]
Threat ID: 6a566f7368715ace43e6b754
Added to database: 07/14/2026, 17:18:43 UTC
Last enriched: 08/13/2026, 14:29:25 UTC
Last updated: 08/28/2026, 11:04:21 UTC
Views: 58
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