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CVE Tracker

CVE-2024-29988

Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability

IN CISA KEV

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.

Vendor
Microsoft
Product
SmartScreen Prompt
CVSS
No score recorded (no NVD record loaded for this entry)
Published
Not recorded
NVD modified
Not recorded

CISA KEV

Date added
2024-04-30
Due date
2024-05-21
Ransomware use
Unknown
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

EPSS

45.2% chance of exploitation in the next 30 days (percentile 98th)

FIRST EPSS, updated 17 Oct 2026. About EPSS

CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.

Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.