CVE Watch—

CVE-2024-29988

Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability

CVSS

—

No CVSS

EPSS

45.2%

p99

KEV

YES

Apr 30, 2024

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

45.2%EPSS · 30 days45.2%

2026-06-302026-07-16

KEV catalog record

Product

Microsoft / SmartScreen Prompt

Vulnerability

Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability

Added to KEV

Apr 30, 2024

Remediate by

May 21, 2024

Known ransomware use

Summary 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.

Notes

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29988; https://nvd.nist.gov/vuln/detail/CVE-2024-29988

Related CVEs

No related CVEs by CWE or product.