Windows CryptoAPI
CVE-2022-34689 — Windows CryptoAPI Spoofing Vulnerability
Executive Summary
None
Overview
7.5
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
More Likely
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
Temporal Score: 6.5
EPSS Score
0.37926
probability of exploitation in the next 30 days
0.98358 percentile - updated 2026-06-20
View on FIRST.org
Affected Products
38 affected products
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Windows 10 for 32-bit Systems | 5016639 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 for x64-based Systems | 5016639 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 1607 for 32-bit Systems | 5016622 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 1607 for x64-based Systems | 5016622 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 1809 for 32-bit Systems | 5016623 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 1809 for ARM64-based Systems | 5016623 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 1809 for x64-based Systems | 5016623 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 20H2 for 32-bit Systems | 5016616 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 20H2 for ARM64-based Systems | 5016616 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 21H1 for 32-bit Systems | 5016616 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 21H1 for ARM64-based Systems | 5016616 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 21H1 for x64-based Systems | 5016616 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 21H2 for 32-bit Systems | 5016616 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 21H2 for ARM64-based Systems | 5016616 (Security Update) |
Critical | Spoofing | Yes |
| Windows 10 Version 21H2 for x64-based Systems | 5016616 (Security Update) |
Critical | Spoofing | Yes |
| Windows 11 version 21H2 for ARM64-based Systems | 5016629 (Security Update) |
Critical | Spoofing | Yes |
| Windows 11 version 21H2 for x64-based Systems | 5016629 (Security Update) |
Critical | Spoofing | Yes |
| Windows 7 for 32-bit Systems Service Pack 1 | 5016622 (Security Update) 5016679 (Security Only) |
Critical | Spoofing | Yes |
| Windows 7 for x64-based Systems Service Pack 1 | 5016679 (Security Only) 5016676 (Monthly Rollup) |
Critical | Spoofing | Yes |
| Windows 8.1 for 32-bit systems | 5016681 (Monthly Rollup) 5016683 (Security Only) |
Critical | Spoofing | Yes |
| Windows 8.1 for x64-based systems | 5016681 (Monthly Rollup) 5016683 (Security Only) |
Critical | Spoofing | Yes |
| Windows RT 8.1 | 5016681 (Monthly Rollup) |
Critical | Spoofing | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | 5016669 (Monthly Rollup) 5016686 (Security Only) |
Critical | Spoofing | Yes |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | 5016669 (Monthly Rollup) 5016686 (Security Only) |
Critical | Spoofing | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 | 5016669 (Monthly Rollup) 5016686 (Security Only) |
Critical | Spoofing | Yes |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | 5016669 (Monthly Rollup) 5016686 (Security Only) |
Critical | Spoofing | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | 5016679 (Security Only) 5016676 (Monthly Rollup) |
Critical | Spoofing | Yes |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | 5016679 (Security Only) 5016676 (Monthly Rollup) |
Critical | Spoofing | Yes |
| Windows Server 2012 | 5016672 (Monthly Rollup) 5016684 (Security Only) |
Critical | Spoofing | Yes |
| Windows Server 2012 (Server Core installation) | 5016672 (Monthly Rollup) 5016684 (Security Only) |
Critical | Spoofing | Yes |
| Windows Server 2012 R2 | 5016681 (Monthly Rollup) 5016683 (Security Only) |
Critical | Spoofing | Yes |
| Windows Server 2012 R2 (Server Core installation) | 5016681 (Monthly Rollup) 5016683 (Security Only) |
Critical | Spoofing | Yes |
| Windows Server 2016 | 5016622 (Security Update) |
Critical | Spoofing | Yes |
| Windows Server 2016 (Server Core installation) | 5016622 (Security Update) |
Critical | Spoofing | Yes |
| Windows Server 2019 | 5016623 (Security Update) |
Critical | Spoofing | Yes |
| Windows Server 2019 (Server Core installation) | 5016623 (Security Update) |
Critical | Spoofing | Yes |
| Windows Server 2022 | 5016627 (Security Update) |
Critical | Spoofing | Yes |
| Windows Server 2022 (Server Core installation) | 5016627 (Security Update) |
Critical | Spoofing | Yes |
Patches
12 patches
| Article | Type | Restart |
|---|---|---|
5016639 |
Security Update | Yes |
5016622 |
Security Update | Yes |
5016623 |
Security Update | Yes |
5016616 |
Security Update | Yes |
5016629 |
Security Update | Yes |
5016622 (Security Update) 5016679 |
Security Update | Yes |
5016679 (Security Only) 5016676 |
Security Only | Yes |
5016681 (Monthly Rollup) 5016683 |
Monthly Rollup | Yes |
5016681 |
Monthly Rollup | Yes |
5016669 (Monthly Rollup) 5016686 |
Monthly Rollup | Yes |
5016672 (Monthly Rollup) 5016684 |
Monthly Rollup | Yes |
5016627 |
Security Update | Yes |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
UK National Cyber Security Centre (NCSC) and the National Security Agency (NSA)
References
On This Page