Risk Letters

Exploited vulnerability

CVE-2024-21351

TLP:CLEAR

Microsoft Windows SmartScreen Security Feature Bypass Vulnerability

Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience and inject code to potentially gain code execution, which could lead to some data exposure, lack of system availability, or both.

Facts

  • Vendor: Microsoft
  • Product: Windows
  • CVSS: 7.6
  • EPSS (probability of exploitation within 30 days): 27.8 %
  • On CISA's Known Exploited Vulnerabilities list since: 13 February 2024
  • First known exploitation: 13 February 2024
  • CISA's deadline for US federal agencies: 5 March 2024
  • Weakness: CWE-94
  • First seen by Risk Letters: 13 February 2024

Members see which Nordic sectors the flaw hits, and what to do about it.

Get the full brief

Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD