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CVE-2024-21351: Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
Microsoft Windows · in CISA KEV since 2024-02-13
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2024-02-13added to KEV
2024-03-05federal remediation due date
27.80%EPSS exploit probability (30 days) 98.0th percentile
7.6 HIGHCVSS 3.1
Unknownknown ransomware use
0days from NVD publication to KEV
What it is
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.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-94 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L |
| NVD published | 2024-02-13 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2024-21351.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.