CVE-2026-57973
Windows Subsystem for Linux (WSL2) Kernel Tampering vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-57973
- Affected products
- Windows Subsystem for Linux (WSL2) Kernel Tampering · Microsoft Windows Subsystem for Linux (WSL2) Kernel Tampering · Microsoft
What happened
Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering locally.
What it means for your business
Windows Subsystem for Linux (WSL2) Kernel Tampering vulnerability (CVE-2026-57973) was added to Microsoft’s security update guidance. Time-of-check time-of-use (toctou) race condition in Windows Subsystem for Linux allows an authorized attacker to perform tampering locally. If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
Windows Partition Management Driver Elevation of Privilege vulnerability
Windows Partition Management Driver Elevation of Privilege vulnerability (CVE-2026-69492) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Windows MIDI Service Module Elevation of Privileges vulnerability
Windows MIDI Service Module Elevation of Privileges vulnerability (CVE-2026-62693) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Azure OpenAI Elevation of Privilege vulnerability
Azure OpenAI Elevation of Privilege vulnerability (CVE-2026-45499) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Microsoft Windows Heap-Based Buffer Overflow Vulnerability
Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-85880). Microsoft Windows Advanced Local Procedure Call contains a heap-based buffer overflow vulnerability that allows an attacker to elevate privileges locally. CISA remediation due date: 2026-09-22. If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.