CVE-2024-21351
Windows SmartScreen Security Feature Bypass Vulnerability
Windows SmartScreen Security Feature Bypass Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Windows SmartScreen Security Feature Bypass Vulnerability
Windows SmartScreen Security Feature Bypass Vulnerability
- Record
CVE-2024-21351- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L/E:U/RL:O/RC:C - Weakness
- CWE-94
- Updated
- 2026-11-02
EUVDEUVD-2024-19063
Windows SmartScreen Security Feature Bypass Vulnerability
- Record
EUVD-2024-19063- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w4vx-2pcg-383r
Windows SmartScreen Security Feature Bypass Vulnerability
Windows SmartScreen Security Feature Bypass Vulnerability
- Record
GHSA-w4vx-2pcg-383r- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L - Weakness
- CWE-94
- Updated
- 2026-11-02
CISA KEV No score
Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
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.
- Record
CVE-2024-21351- Weakness
- CWE-94
- Updated
- 2026-11-02
NVD
Windows SmartScreen Security Feature Bypass Vulnerability
- Record
CVE-2024-21351- CVSS 3.1
- 7.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L - Weakness
- CWE-94
- Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft windows 10 version 1507
- microsoft windows 10 version 1607
- microsoft windows 10 version 1809
- microsoft windows 10 version 21h2
- microsoft windows 10 version 22h2
- microsoft windows 11 version 21h2
- microsoft windows 11 version 22h2
- microsoft windows 11 version 22h3
- microsoft windows 11 version 23h2
- microsoft windows server 2016
- microsoft windows server 2019
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-21351 is a high vulnerability (CVSS 7.6) in Microsoft Windows, published February 13, 2024. CISA lists it as known to be exploited, since February 13, 2024. EUVD reports exploitation since February 13, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 27.8%, the 98th percentile. No source names a fixed version.