CVE-2022-35752: Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-31 · updated 2026-06-17

Description

Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Affected products

Microsoft Windows 10 Version 1507: before 10.0.10240.19387 — fixed in 10.0.10240.19387
Microsoft Windows 10 1607: before 10.0.14393.5291 — fixed in 10.0.14393.5291
Microsoft Windows 10: before 10.0.17763.3287 — fixed in 10.0.17763.3287
Microsoft Windows 10 20H2: before 10.0.19042.1889 — fixed in 10.0.19042.1889
Microsoft Windows 10 21H1: before 10.0.19043.1889 — fixed in 10.0.19043.1889
Microsoft Windows 11 21H2: before 10.0.22000.856 — fixed in 10.0.22000.856
Microsoft Windows 7: all versions
Microsoft Windows 8.1: before 6.3.9600.20520 — fixed in 6.3.9600.20520
Microsoft Windows RT 8.1: before 6.3.9600.20520 — fixed in 6.3.9600.20520
Microsoft Windows Server 2008: r2-sp1
Microsoft Windows Server 2012: r2
Microsoft Windows Server 2016: all versions
Microsoft Windows Server 2019: all versions
Microsoft Windows Server 2022: all versions
Microsoft Windows Server 20H2: all versions
Microsoft Windows 10 Version 1507: from 10.0.10240.0 before 10.0.10240.19387 — fixed in 10.0.10240.19387
Microsoft Windows 10 1607: from 10.0.14393.0 before 10.0.14393.5291 — fixed in 10.0.14393.5291
Microsoft Windows 10: from 10.0.17763.0 before 10.0.17763.3287 — fixed in 10.0.17763.3287
Microsoft Windows 10 20H2: from 10.0.0 before 10.0.19042.1889 — fixed in 10.0.19042.1889
Microsoft Windows 10 21H1: from 10.0.0 before 10.0.19043.1889 — fixed in 10.0.19043.1889
Microsoft Windows 10: from 10.0.19043.0 before 10.0.19044.1889 — fixed in 10.0.19044.1889
Microsoft Windows 11 21H2: from 10.0.0 before 10.0.22000.856 — fixed in 10.0.22000.856
Microsoft Windows 7: from 6.1.0 before 6.1.7601.26065 — fixed in 6.1.7601.26065
Microsoft Windows 7 Service Pack 1: from 6.1.0 before 6.1.7601.26065 — fixed in 6.1.7601.26065
Microsoft Windows 8.1: from 6.3.0 before 6.3.9600.20520 — fixed in 6.3.9600.20520
Microsoft Windows Server 2008 R2 Service Pack 1: from 6.1.7601.0 before 6.1.7601.26065 — fixed in 6.1.7601.26065
Microsoft Windows Server 2008 Service Pack 2: from 6.0.6003.0 before 6.0.6003.21616 — fixed in 6.0.6003.21616
Microsoft Windows Server 2012: from 6.2.9200.0 before 6.2.9200.23817 — fixed in 6.2.9200.23817
Microsoft Windows Server 2012 R2: from 6.3.9600.0 before 6.3.9600.20520 — fixed in 6.3.9600.20520
Microsoft Windows Server 2016: from 10.0.14393.0 before 10.0.14393.5291 — fixed in 10.0.14393.5291

How to fix

Upgrade to a fixed version: Microsoft Windows 10 Version 1507 10.0.10240.19387; Microsoft Windows 10 1607 10.0.14393.5291; Microsoft Windows 10 10.0.17763.3287; Microsoft Windows 10 20H2 10.0.19042.1889; Microsoft Windows 10 21H1 10.0.19043.1889; Microsoft Windows 11 21H2 10.0.22000.856; Microsoft Windows 8.1 6.3.9600.20520; Microsoft Windows RT 8.1 6.3.9600.20520; Microsoft Windows 10 Version 1507 10.0.10240.19387; Microsoft Windows 10 1607 10.0.14393.5291; Microsoft Windows 10 10.0.17763.3287; Microsoft Windows 10 20H2 10.0.19042.1889. Check the vendor advisory for mitigations.

References

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