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Windows Secure Socket Tunneling Protocol (SSTP)

CVE-2022-34714 — Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability

Critical CVSS 8.1 EPSS 0.01578 2022-08 archive

Executive Summary

None

Overview

8.1
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
Less Likely
MS Exploit Likelihood
Category Remote Code Execution
Released Aug 9 2022
Last Updated Aug 9 2022
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.01578 — 0.72281 percentile
NVD CVSS 8.1 HIGH — matches MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.1

EPSS Score

0.01578
probability of exploitation in the next 30 days
0.72281 percentile - updated 2026-06-21
View on FIRST.org

Affected Products

25 affected products
Product KB Article Severity Impact Restart Required
Windows 10 for 32-bit Systems 5016639 (Security Update) Critical Remote Code Execution Yes
Windows 10 for x64-based Systems 5016639 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1607 for 32-bit Systems 5016622 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1607 for x64-based Systems 5016622 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1809 for 32-bit Systems 5016623 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1809 for ARM64-based Systems 5016623 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 1809 for x64-based Systems 5016623 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 20H2 for 32-bit Systems 5016616 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 20H2 for ARM64-based Systems 5016616 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H1 for 32-bit Systems 5016616 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H1 for ARM64-based Systems 5016616 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H1 for x64-based Systems 5016616 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H2 for 32-bit Systems 5016616 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H2 for ARM64-based Systems 5016616 (Security Update) Critical Remote Code Execution Yes
Windows 10 Version 21H2 for x64-based Systems 5016616 (Security Update) Critical Remote Code Execution Yes
Windows 11 version 21H2 for ARM64-based Systems 5016629 (Security Update) Critical Remote Code Execution Yes
Windows 11 version 21H2 for x64-based Systems 5016629 (Security Update) Critical Remote Code Execution Yes
Windows 7 for 32-bit Systems Service Pack 1 5016676 (Monthly Rollup) 5016679 (Security Only) Critical Remote Code Execution 5015861 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.26065 Yes 5016676 5016679 Windows 7 for x64-based Systems Service Pack 1 5016676 (Monthly Rollup) 5016679 (Security Only) Critical Remote Code Execution 5015861 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.26065 Yes 5016676 5016679 Windows 8.1 for 32-bit systems 5016681 (Monthly Rollup) 5016683 (Security Only) Critical Remote Code Execution 5015874 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20520 Yes None Windows 8.1 for x64-based systems 5016681 (Monthly Rollup) 5016683 (Security Only) Critical Remote Code Execution 5015874 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20520 Yes None Windows RT 8.1 5016681 (Monthly Rollup) Critical Remote Code Execution Yes
Windows Server 2008 for 32-bit Systems Service Pack 2 5016669 (Monthly Rollup) 5016686 (Security Only) Critical Remote Code Execution 5015866 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.21616 Yes 5016669 5016686 Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) 5016669 (Monthly Rollup) 5016686 (Security Only) Critical Remote Code Execution 5015866 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.21616 Yes 5016669 5016686 Windows Server 2008 for x64-based Systems Service Pack 2 5016669 (Monthly Rollup) 5016686 (Security Only) Critical Remote Code Execution 5015866 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.21616 Yes 5016669 5016686 Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) 5016669 (Monthly Rollup) 5016686 (Security Only) Critical Remote Code Execution 5015866 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.0.6003.21616 Yes 5016669 5016686 Windows Server 2008 R2 for x64-based Systems Service Pack 1 5016676 (Monthly Rollup) 5016679 (Security Only) Critical Remote Code Execution 5015861 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.26065 Yes 5016676 5016679 Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) 5016676 (Monthly Rollup) 5016679 (Security Only) Critical Remote Code Execution 5015861 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.1.7601.26065 Yes 5016676 5016679 Windows Server 2012 5016672 (Monthly Rollup) 5016684 (Security Only) Critical Remote Code Execution 5015863 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.2.9200.23817 Yes None Windows Server 2012 (Server Core installation) 5016672 (Monthly Rollup) 5016684 (Security Only) Critical Remote Code Execution 5015863 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.2.9200.23817 Yes None Windows Server 2012 R2 5016681 (Monthly Rollup) 5016683 (Security Only) Critical Remote Code Execution 5015874 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20520 Yes None Windows Server 2012 R2 (Server Core installation) 5016681 (Monthly Rollup) 5016683 (Security Only) Critical Remote Code Execution 5015874 Base: 8.1 Temporal: 7.1 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C 6.3.9600.20520 Yes None Windows Server 2016 5016622 (Security Update) Critical Remote Code Execution Yes
Windows Server 2016 (Server Core installation) 5016622 (Security Update) Critical Remote Code Execution Yes
Windows Server 2019 5016623 (Security Update) Critical Remote Code Execution Yes
Windows Server 2019 (Server Core installation) 5016623 (Security Update) Critical Remote Code Execution Yes
Windows Server 2022 5016627 (Security Update) Critical Remote Code Execution Yes
Windows Server 2022 (Server Core installation) 5016627 (Security Update) Critical Remote Code Execution Yes
Windows Server, version 20H2 (Server Core Installation) 5016616 (Security Update) Critical Remote Code Execution Yes

Patches

7 patches
Article Type Restart
5016639 Security Update Yes
5016622 Security Update Yes
5016623 Security Update Yes
5016616 Security Update Yes
5016629 Security Update Yes
5016681 Monthly Rollup Yes
5016627 Security Update Yes

Known Exploits

Acknowledgments

Yuki Chen

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