CVE-2026-56648
Windows NFS Server Elevation of Privilege vulnerability
MSRC advisory July 14, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-56648
- Affected products
- Windows NFS Server Elevation of Privilege · Microsoft Windows NFS Server Elevation of Privilege · Microsoft
What happened
Time-of-check time-of-use (toctou) race condition in Windows Network File System allows an authorized attacker to elevate privileges over a network.
What it means for your business
Windows NFS Server Elevation of Privilege vulnerability (CVE-2026-56648) was added to Microsoft’s security update guidance. Time-of-check time-of-use (toctou) race condition in Windows Network File System allows an authorized attacker to elevate privileges over a network. If you need help checking exposure, call (864) 335-9223.
Sources
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