Home › Exploited CVEs › CVE-2023-24880
CVE-2023-24880: Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
Microsoft Windows · in CISA KEV since 2023-03-14
2023-03-14added to KEV
2023-04-04federal remediation due date
78.00%EPSS exploit probability (30 days) 99.6th percentile
4.4 MEDIUMCVSS 3.1
Knownknown ransomware use
0days from NVD publication to KEV
What it is
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.
Required action (CISA)
Apply updates per vendor instructions.
| CWE | CWE-863 |
|---|---|
| CVSS vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L |
| NVD published | 2023-03-14 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2023-24880.json · all KEV CVEs
Kevscope: daily CISA KEV + EPSS datasetThe whole KEV catalog joined with daily EPSS and CVSS scores as CSV/Parquet, refreshed daily. Free to download.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.