High severity · published Feb 13, 2024
CVE-2024-21351
Windows SmartScreen Security Feature Bypass Vulnerability
In wildKEV
7.6
CVSS
27.8%
EPSS
Yes
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
High
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)27.8% · higher than 98% of CVEs
Exploited in the wildYes
CISA KEVListed Feb 13, 2024
Federal remediation dueMar 5, 2024
Ransomware campaign useNot known
Affected products
Which versions
WI
Windows · Microsoft
All versions, or not specified · source: KEV
W1
Windows 10 Version 1507 · Microsoft
10.0.10240.0 before 10.0.10240.20469 · source: vendor
W1
Windows 10 Version 1607 · Microsoft
10.0.14393.0 before 10.0.14393.6709 · source: vendor
W1
Windows 10 Version 1809 · Microsoft
10.0.17763.0 before 10.0.17763.5458; 10.0.0 before 10.0.17763.5458 · source: vendor
W1
Windows 10 Version 21H2 · Microsoft
10.0.19043.0 before 10.0.19044.4046 · source: vendor
W1
Windows 10 Version 22H2 · Microsoft
10.0.19045.0 before 10.0.19045.4046 · source: vendor
W1
Windows 11 Version 23H2 · Microsoft
10.0.22631.0 before 10.0.22631.3155 · source: vendor
W1
Windows 11 version 21H2 · Microsoft
10.0.0 before 10.0.22000.2777 · source: vendor
W1
Windows 11 version 22H2 · Microsoft
10.0.22621.0 before 10.0.22621.3155 · source: vendor
W1
Windows 11 version 22H3 · Microsoft
10.0.22631.0 before 10.0.22631.3155 · source: vendor
WS
Windows Server 2016 · Microsoft
10.0.14393.0 before 10.0.14393.6709 · source: vendor, NVD
WS
Windows Server 2019 · Microsoft
10.0.17763.0 before 10.0.17763.5458 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-21351
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-21351
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21351
More from Windows
10.0
CVE-2020-1350
Microsoft Windows DNS Server Remote Code Execution Vulnerability
9.8
CVE-2025-59287
Windows Server Update Service (WSUS) Remote Code Execution Vulnerability
9.8
CVE-2019-0708
Microsoft Remote Desktop Services Remote Code Execution Vulnerability
9.8
CVE-2017-8543
Microsoft Windows Search Remote Code Execution Vulnerability
9.8
CVE-2008-4250
Microsoft Windows Buffer Overflow Vulnerability