April 30, 2024 · Applied Cybernetics Group
CVE-2024-29988 — Microsoft SmartScreen Prompt
Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability
- Added to KEV
2024-04-30- Federal due date
2024-05-21- Vendor
- Microsoft
- Product
- SmartScreen Prompt
- EPSS
- 98.6th percentile (score 0.452, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2024-29988
CISA short description
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
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.