CVE-2026-62733: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, tracked as CVE-2026-62733, is an out-of-bounds read (CWE-125) in the Windows Win32K subsystem in Windows 10 Version 1607 (build 10.0.14393.0). It enables a local attacker with some level of authorization to elevate their privileges, potentially leading to full system compromise. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and no user interaction required. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system privileges than intended. This could lead to full system compromise or unauthorized access to sensitive resources. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62733 to remediate this vulnerability.
CVE-2026-62733: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
Out-of-bounds read in Windows Win32K 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, tracked as CVE-2026-62733, is an out-of-bounds read (CWE-125) in the Windows Win32K subsystem in Windows 10 Version 1607 (build 10.0.14393.0). It enables a local attacker with some level of authorization to elevate their privileges, potentially leading to full system compromise. The CVSS v3.1 base score is 7.8, indicating high severity, with attack vector local, low attack complexity, and no user interaction required. Microsoft has released an official fix for this vulnerability.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system privileges than intended. This could lead to full system compromise or unauthorized access to sensitive resources. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62733 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T20:58:12.787Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62733","vendor":"Microsoft"}]
Threat ID: 6a7b580fbf8831d539155b59
Added to database: 08/11/2026, 17:12:47 UTC
Last enriched: 08/11/2026, 22:12:41 UTC
Last updated: 08/12/2026, 00:24:01 UTC
Views: 5
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