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7.5

Windows CryptoAPI allows attackers to impersonate trusted websites

CVE-2022-34689 · published 4 years ago
Summary

A weakness in the Windows CryptoAPI allows hackers to pretend to be a trusted website, potentially stealing sensitive information. This affects Windows systems that use the CryptoAPI to verify website identities. To protect your business, ensure you keep your Windows operating system up to date and verify the authenticity of websites you interact with.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft windows_10 20h2
21h1
21h2
1607
1809
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
microsoft windows_11 All versions
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
microsoft windows_7 All versions
cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:x64:*
microsoft windows_8.1 All versions
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
microsoft windows_rt_8.1 All versions
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
microsoft windows_server_2008 r2
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*
microsoft windows_server_2012 r2
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
microsoft windows_server_2016 All versions
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
microsoft windows_server_2019 All versions
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
microsoft windows_server_2022 All versions
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
Original advisory text
Windows CryptoAPI Spoofing Vulnerability
Windows CryptoAPI Spoofing Vulnerability
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.5 High
Exploitation
38% chance of attack within 30 days
Type
CWE-290Authentication Bypass by Spoofing
Timeline
Published11 Oct 2022
Updated28 Oct 2026
First seen7 Mar 2026
Sources
CVE-2022-34689 · NVD
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