Is CVE-2024-29988 in the CISA KEV catalog?

Yes. CVE-2024-29988 is on the CISA Known Exploited Vulnerabilities list, added 2024-04-30.

What is the CVSS severity of CVE-2024-29988?

CVE-2024-29988 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2024-29988?

CVE-2024-29988 has an EPSS score of 45.15% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2024-29988

HIGHCISA KEVEPSS 99th pctl

8.8

CVSS v3

NVD

Description

SmartScreen Prompt Security Feature Bypass Vulnerability

CWE-693Protection Mechanism Failure

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

45.15%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability

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.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remediation due: 2024-05-21

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-28.