CVE-2026-57968: CWE-126: Buffer Over-read in Microsoft Windows Subsystem for Linux (WSL2)
Buffer over-read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability involves a buffer over-read in Windows Subsystem for Linux (WSL2), which can be exploited by an authorized local attacker to elevate privileges. The flaw is identified as CWE-126 and affects version 5.0.0.0 of WSL2. Microsoft has published an official fix to address this issue, as detailed in their security advisory.
Potential Impact
Successful exploitation of this vulnerability could allow an authorized local user to gain elevated privileges on the affected system, potentially leading to full system compromise. The confidentiality, integrity, and availability of the system could be severely impacted.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided in the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57968 to remediate this vulnerability.
CVE-2026-57968: CWE-126: Buffer Over-read in Microsoft Windows Subsystem for Linux (WSL2)
Description
Buffer over-read in Windows Subsystem for Linux 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 a buffer over-read in Windows Subsystem for Linux (WSL2), which can be exploited by an authorized local attacker to elevate privileges. The flaw is identified as CWE-126 and affects version 5.0.0.0 of WSL2. Microsoft has published an official fix to address this issue, as detailed in their security advisory.
Potential Impact
Successful exploitation of this vulnerability could allow an authorized local user to gain elevated privileges on the affected system, potentially leading to full system compromise. The confidentiality, integrity, and availability of the system could be severely impacted.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided in the Microsoft security advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57968 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-26T17:45:44.853Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57968","vendor":"Microsoft"}]
Threat ID: 6a5676bf68715ace43f0b084
Added to database: 07/14/2026, 17:49:51 UTC
Last enriched: 07/14/2026, 18:32:33 UTC
Last updated: 07/14/2026, 20:03:48 UTC
Views: 2
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