Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability

CriticalVendor CVSS 7.0 / 10 1 CVE Published Sep 8, 2026 at 7:00 AM UTC

Summary

Use after free in Windows Services for NFS ONCRPC XDR Driver allows an authorized attacker to execute code locally.

Show 4 more products

Install KB5122876. Install KB5122882. Install KB5122871. Install KB5123099. Install KB5123065. Install KB5123066.

Update history

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Sep 27, 2026 at 11:11 PM UTC
- Added fixed versions: 6.3.9600.23398.
- Removed fixed versions: 6.3.9600.23397.

Sep 8, 2026 at 7:00 AM UTC
Published by Microsoft Security Response Center
The publication date reported by the vendor.
Sep 8, 2026 at 7:15 PM UTC
Added to SecurityAlert
We collected the advisory from the official source.
Oct 28, 2026 at 3:45 AM UTC
Confirmed at the source
Our collector saw this advisory during a later source check.

Details collected from Microsoft Security Response Center.

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