CVE-2026-69595: Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network.
Other sources
Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
Which systems are identified as affected?
The affected software list includes Microsoft Windows Server 2012, 2012 R2, 2016, 2019, 2022, and 2025.
Does exploitation require authentication or user interaction?
No. The supplied vector indicates network-based exploitation with low attack complexity, no privileges required, and no user interaction required.
What level of impact could successful exploitation have?
Successful exploitation can result in remote code execution and is rated as having high impact to confidentiality, integrity, and availability.