CVE-2023-24880

Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation)

Published 14 Mar 2023 · updated 17 Jun 2026 · Analyzed

4.4 Medium · CVSS 3.1, microsoft.com

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 14 Mar 2023, with a remediation deadline of 4 Apr 2023 for US federal agencies. It has been used in ransomware campaigns.

Required action: Apply updates per vendor instructions.

Description

Windows SmartScreen Security Feature Bypass Vulnerability

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24880 · Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24880 · US Government Resource