Feb 2024: Windows SmartScreen Security Feature Bypass Vulnerability
CVE-2024-21351 Published on February 13, 2024

Windows SmartScreen Security Feature Bypass Vulnerability
Windows SmartScreen Security Feature Bypass Vulnerability

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Windows SmartScreen Security Feature Bypass Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience and inject code to potentially gain code execution, which could lead to some data exposure, lack of system availability, or both.

The following remediation steps are recommended / required by March 5, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Weakness Type

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2024-21351 has been classified to as a Code Injection vulnerability or weakness.

Products Associated with CVE-2024-21351

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Microsoft Windows Server 2016

Microsoft Windows 11 23h2

Microsoft Windows 10

Microsoft Windows 11

Microsoft Windows Server 2022

Microsoft Windows Server 2019

Microsoft Windows 10 1507

Microsoft Windows Server 2022 23h2

Affected Versions

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.3155 is affected.

Microsoft Windows 11 version 22H3:

Version 10.0.22631.0 and below 10.0.22631.3155 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.5458 is affected.

Microsoft Windows 10 Version 1809:

Version 10.0.0 and below 10.0.17763.5458 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.5458 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.2322 is affected.

Microsoft Windows 11 version 21H2:

Version 10.0.0 and below 10.0.22000.2777 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19043.0 and below 10.0.19044.4046 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.3155 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.4046 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.10240.0 and below 10.0.10240.20469 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.6709 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.6709 is affected.

Exploit Probability

EPSS

9.53%

Percentile

92.69%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.