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Fencer Vulns
medium 4.7

CVE-2022-34704 json

Windows Defender Credential Guard Information Disclosure Vulnerability

published 2022-08-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-37654

cvss
4.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Windows Defender Credential Guard Information Disclosure Vulnerability

Patch / fix

  • Microsoft Windows 10 Version 1809 10.0.17763.3287
  • Microsoft Windows Server 2019 10.0.17763.3287
  • Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.3287
  • Microsoft Windows 10 Version 21H1 10.0.19043.1889
  • Microsoft Windows Server 2022 10.0.20348.887
  • Microsoft Windows 10 Version 20H2 10.0.19042.1889
  • Microsoft Windows Server version 20H2 10.0.19042.1889
  • Microsoft Windows 11 version 21H2 10.0.22000.856
  • Microsoft Windows 10 Version 21H2 10.0.19044.1889
  • Microsoft Windows 10 Version 1507 10.0.10240.19387
  • Microsoft Windows 10 Version 1607 10.0.14393.5291
  • Microsoft Windows Server 2016 10.0.14393.5291
  • Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.5291

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
CNA 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Microsoft Windows 10 Version 1809
  • Microsoft Windows Server 2019
  • Microsoft Windows Server 2019 (Server Core installation)
  • Microsoft Windows 10 Version 21H1
  • Microsoft Windows Server 2022
  • Microsoft Windows 10 Version 20H2
  • Microsoft Windows Server version 20H2
  • Microsoft Windows 11 version 21H2
  • Microsoft Windows 10 Version 21H2
  • Microsoft Windows 10 Version 1507
  • Microsoft Windows 10 Version 1607
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2016 (Server Core installation)

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-203 Observable Discrepancy

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.