[ CVE-2023-24880 · Published 14 Mar 2023 ]
Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
Exploited · CISA KEV CVSS 4.4
EPSS 78%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-03-14
- Known to be used in ransomware campaigns
- EPSS: 78% chance of exploitation in the next 30 days (higher than 100% of CVEs)
[ Description ]Official description
Windows SmartScreen Security Feature Bypass Vulnerability
CISA: 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.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 4 Apr 2023): Apply updates per vendor instructions.
- Patch on msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24880PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource