CVE-2026-83989
HighCVSS 7.5Exploitation Probability (EPSS)
Elevated risk66th percentile - higher than 66% of all known CVEs
Summary
Out-of-bounds read in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to deny service over a network.
Risk Assessment
A remote attacker could cause a denial of service, leading to unavailability of the system or applications.
Recommendation
Apply Windows security updates and restrict access to NFS services.
Other vulnerabilities in Windows Services for NFS ONCRPC XDR Driver
See all- CVE-2026-78445Critical
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network.
- CVE-2026-69595Critical
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network.
- CVE-2026-73024High
Heap-based buffer overflow in Windows Services for NFS ONCRPC XDR Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-71330High
Exposure of sensitive system information to an unauthorized control sphere in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to disclose information over a network.
- CVE-2026-70585High
Use after free in Windows Services for NFS ONCRPC XDR Driver allows an authorized attacker to execute code locally.
- CVE-2021-26433High
Information disclosure vulnerability in Windows Services for NFS ONCRPC XDR driver. An attacker could access sensitive data.
Original NVD description (English source)
Out-of-bounds read in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to deny service over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS