CRITICAL 9.8 NVD

CVE-2026-78445

Use after free in Windows Services for NFS ONCRPC XDR Driver allows an unauthorized attacker to execute code over a network.

Affected Products

microsoft/windows_server_2012
microsoft/windows_server_2016
microsoft/windows_server_2019
microsoft/windows_server_2022
microsoft/windows_server_2025

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78445

Published: 2026-09-08 · Source: NVD · Feed updated: 2026-09-11

This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-09-08 via NVD. Affected: microsoft/windows_server_2012, microsoft/windows_server_2016, microsoft/windows_server_2019 and 2 more.

Risk Timeline

CVE Disclosed2026-09-08 · 2 days ago

Remediation Resources

Official Advisory

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-78445

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