CVE-2026-68839
Windows USB Mass Storage Class Driver Remote Code Execution vulnerability
MSRC advisory September 8, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-68839
- Affected products
- Windows USB Mass Storage Class Driver Remote Code Execution · Microsoft Windows USB Mass Storage Class Driver Remote Code Execution · Microsoft
What happened
Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network.
What it means for your business
Windows USB Mass Storage Class Driver Remote Code Execution vulnerability (CVE-2026-68839) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to execute code over a network. If you need help checking exposure, call (864) 335-9223.
Sources
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