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 involves an out-of-bounds read in the Windows Resilient File System (ReFS) component of Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CWE-125 (Out-of-bounds Read) and has a CVSS 3.1 base score of 7.8, indicating high severity. Microsoft has issued an official patch to address this issue, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an authorized local attacker to gain elevated privileges, potentially leading to full system compromise. The confidentiality, integrity, and availability impacts are all rated high according to the CVSS vector. However, exploitation requires local access and authorization.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate this issue. No additional mitigations are specified by the vendor advisory.
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.
CVSS v3.1
Score 7.8high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in the Windows Resilient File System (ReFS) component of Windows 10 Version 1607 (build 10.0.14393.0). An authorized attacker with local access can exploit this flaw to elevate their privileges on the affected system. The vulnerability is tracked as CWE-125 (Out-of-bounds Read) and has a CVSS 3.1 base score of 7.8, indicating high severity. Microsoft has issued an official patch to address this issue, as documented in their security update guide.
Potential Impact
Successful exploitation of this vulnerability could allow an authorized local attacker to gain elevated privileges, potentially leading to full system compromise. The confidentiality, integrity, and availability impacts are all rated high according to the CVSS vector. However, exploitation requires local access and authorization.
Mitigation Recommendations
An official fix is available from Microsoft for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate this issue. No additional mitigations are specified by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-14T16:59:33.466Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23673","vendor":"Microsoft"}]
Threat ID: 69b05628ea502d3aa87d68c4
Added to database: 03/10/2026, 17:34:32 UTC
Last enriched: 06/19/2026, 20:25:37 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 142
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