CVE-2022-22029: Windows Network File System Remote Code Execution Vulnerability

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-07-12 · updated 2026-06-17

Description

Windows Network File System Remote Code Execution Vulnerability

Affected products

Microsoft Windows Server 2008: r2-sp1
Microsoft Windows Server 2012: r2
Microsoft Windows Server 2016: 20h2
Microsoft Windows Server 2019: all versions
Microsoft Windows Server 2022: all versions
Microsoft Windows Server 2008 R2 Service Pack 1: from 6.1.7601.0 before 6.1.7601.26022 — fixed in 6.1.7601.26022
Microsoft Windows Server 2008 Service Pack 2: from 6.0.6003.0 before 6.0.6003.21569 — fixed in 6.0.6003.21569
Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.23771 — fixed in 6.2.9200.23771
Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.20478 — fixed in 6.3.9600.20478
Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5246 — fixed in 10.0.14393.5246
Microsoft Windows Server 2019: from 10.0.17763.0 before 10.0.17763.3165 — fixed in 10.0.17763.3165
Microsoft Windows Server 2022: from 10.0.20348.0 before 10.0.20348.825 — fixed in 10.0.20348.825
Microsoft Windows Server version 20H2: from 10.0.0 before 10.0.19042.1826 — fixed in 10.0.19042.1826

How to fix

Upgrade to a fixed version: Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.26022; Microsoft Windows Server 2008 Service Pack 2 6.0.6003.21569; Microsoft Windows Server 2012 6.2.9200.23771; Microsoft Windows Server 2012 R2 6.3.9600.20478; Microsoft Windows Server 2016 10.0.14393.5246; Microsoft Windows Server 2019 10.0.17763.3165; Microsoft Windows Server 2022 10.0.20348.825; Microsoft Windows Server version 20H2 10.0.19042.1826. Check the vendor advisory for mitigations.

References

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