Is CVE-2023-24880 in the CISA KEV catalog?

Yes. CVE-2023-24880 is on the CISA Known Exploited Vulnerabilities list, added 2023-03-14, and has known ransomware campaign use.

What is the CVSS severity of CVE-2023-24880?

CVE-2023-24880 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2023-24880?

CVE-2023-24880 has an EPSS score of 78.15% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2023-24880

MEDIUMCISA KEVEPSS 100th pctl

4.4

CVSS v3

NVD

Description

Windows SmartScreen Security Feature Bypass Vulnerability

CWE-863

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityLow

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

Exploit Intelligence

78.15%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Windows SmartScreen Security Feature Bypass Vulnerability

Microsoft Windows SmartScreen contains a security feature bypass vulnerability that could allow an attacker to evade Mark of the Web (MOTW) defenses via a specially crafted malicious file.

Apply updates per vendor instructions.

Remediation due: 2023-04-04

Associated with ransomware campaigns

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 2025-10-27.