Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability

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Summary

CVECVE-2024-29988
StatePUBLISHED
AssignerUnknown
Source PriorityEnrichment-only fallback
Published2024-04-30 00:00:00 UTC
Updated2026-04-02 17:47:12 UTC
DescriptionMicrosoft 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.

Risk And Classification

EPSS: 0.627680000 probability, percentile 0.983700000 (date 2026-04-02)

CISA KEV: Listed on 2024-04-30; due 2024-05-21; ransomware use Unknown

CISA Known Exploited Vulnerability

VendorMicrosoft
ProductSmartScreen Prompt
NameMicrosoft SmartScreen Prompt Security Feature Bypass Vulnerability
Required ActionApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Noteshttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29988; https://nvd.nist.gov/vuln/detail/CVE-2024-29988

References

ReferenceSourceLinkTags
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Legacy QID Mappings

  • 92128 Microsoft Windows Security Update for April 2024
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