# CVE-2024-21351

Windows SmartScreen Security Feature Bypass Vulnerability

- Page: https://www.vulneraibility.com/cve/CVE-2024-21351
- CVSS: 7.6
- Known exploited: yes, in CISA KEV since 2024-02-13; CISA due date 2024-03-05
- EPSS: 27.80% (percentile 98.1)
- CISA SSVC: exploitation active, automatable no, technical impact partial (assessed 2024-05-01)
- Weakness: CWE-94
- Published: 2024-02-13

## Affected versions

- Microsoft Windows 10 Version 1507: affected >= 10.0.10240.0 and < 10.0.10240.20469
- Microsoft Windows 10 Version 1607: affected >= 10.0.14393.0 and < 10.0.14393.6709
- Microsoft Windows 10 Version 1809: affected >= 10.0.17763.0 and < 10.0.17763.5458; >= 10.0.0 and < 10.0.17763.5458
- Microsoft Windows 10 Version 21H2: affected >= 10.0.19043.0 and < 10.0.19044.4046
- Microsoft Windows 10 Version 22H2: affected >= 10.0.19045.0 and < 10.0.19045.4046
- Microsoft Windows 11 version 21H2: affected >= 10.0.0 and < 10.0.22000.2777
- Microsoft Windows 11 version 22H2: affected >= 10.0.22621.0 and < 10.0.22621.3155
- Microsoft Windows 11 version 22H3: affected >= 10.0.22631.0 and < 10.0.22631.3155
- Microsoft Windows 11 Version 23H2: affected >= 10.0.22631.0 and < 10.0.22631.3155
- Microsoft Windows Server 2016: affected >= 10.0.14393.0 and < 10.0.14393.6709
- Microsoft Windows Server 2019: affected >= 10.0.17763.0 and < 10.0.17763.5458
- Microsoft Windows Server 2022: affected >= 10.0.20348.0 and < 10.0.20348.2322

A version outside these ranges is not a statement that it is unaffected.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21351
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21351

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.