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CVE-2024-29988: Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability
Microsoft SmartScreen Prompt · in CISA KEV since 2024-04-30
2024-04-30added to KEV
2024-05-21federal remediation due date
44.88%EPSS exploit probability (30 days) 98.7th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
21days from NVD publication to KEV
What it is
Microsoft SmartScreen Prompt contains a security feature bypass vulnerability that allows an attacker to bypass the Mark of the Web (MotW) feature. This vulnerability can be chained with CVE-2023-38831 and CVE-2024-21412 to execute a malicious file.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-693 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2024-04-09 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2024-29988.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.