CVE-2026-23673: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-23673) is an out-of-bounds read in the Windows Resilient File System (ReFS) component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It enables an authorized local attacker to perform a privilege escalation by exploiting improper bounds checking in ReFS. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability with low attack complexity and no user interaction required. The vulnerability has been officially published and a patch is available from Microsoft.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. This can lead to full system compromise, including unauthorized access to sensitive data and disruption of system availability. The vulnerability affects Windows 10 Version 1607 systems running the specified build.
Mitigation Recommendations
An official patch is available from Microsoft to address this vulnerability. It is strongly recommended to apply the provided security update to affected Windows 10 Version 1607 systems promptly. No additional mitigation steps are indicated beyond applying the patch.
CVE-2026-23673: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-23673) is an out-of-bounds read in the Windows Resilient File System (ReFS) component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It enables an authorized local attacker to perform a privilege escalation by exploiting improper bounds checking in ReFS. The CVSS v3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability with low attack complexity and no user interaction required. The vulnerability has been officially published and a patch is available from Microsoft.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially gaining higher system rights. This can lead to full system compromise, including unauthorized access to sensitive data and disruption of system availability. The vulnerability affects Windows 10 Version 1607 systems running the specified build.
Mitigation Recommendations
An official patch is available from Microsoft to address this vulnerability. It is strongly recommended to apply the provided security update to affected Windows 10 Version 1607 systems promptly. No additional mitigation steps are indicated beyond applying the patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-14T16:59:33.466Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69b05628ea502d3aa87d68c4
Added to database: 3/10/2026, 5:34:32 PM
Last enriched: 4/18/2026, 2:10:34 PM
Last updated: 4/28/2026, 9:25:58 AM
Views: 54
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