CVE-2026-71341: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-71341 is an out-of-bounds read vulnerability in the Windows Partition Management Driver affecting multiple versions of Microsoft Windows 10, including Version 1607. This flaw allows an authorized local attacker to disclose sensitive information. The vulnerability has a medium severity rating with a CVSS score of 5.5. An official fix is available from Microsoft.
CVSS v3.1
Score 5.5medium
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2012
Microsoft
Windows Server 2012 (Server Core installation)
Microsoft
Windows Server 2012 R2
Microsoft
Windows Server 2012 R2 (Server Core installation)
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Microsoft
Windows Server 2022
Microsoft
Windows Server 2025
Microsoft
Windows Server 2025 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-71341 is a vulnerability classified as CWE-125 (Out-of-bounds Read) found in the Windows Partition Management Driver. It affects various builds of Microsoft Windows 10, including Version 1607 and later builds up to specific patched versions. The flaw permits an authorized attacker with local access to read memory outside the intended bounds, potentially disclosing sensitive information. The vulnerability does not allow privilege escalation, denial of service, or integrity compromise, but it impacts confidentiality. Microsoft has published an official fix for this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to read memory beyond intended boundaries in the Windows Partition Management Driver, leading to potential disclosure of sensitive information. The impact is limited to confidentiality loss without affecting system integrity or availability.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security updates provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71341 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-05T18:41:50.334Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-71341","vendor":"Microsoft"}]
Threat ID: 6aa04540acd9273b49fa9c3f
Added to database: 09/08/2026, 17:26:24 UTC
Last enriched: 10/16/2026, 21:43:32 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 24
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