Risk Letters

Exploited vulnerability

CVE-2024-29988

TLP:CLEAR

Microsoft SmartScreen Prompt Security Feature Bypass Vulnerability

Microsoft SmartScreen Prompt contains a security feature bypass vulnerability that allows an attacker to bypass the Mark of the Web (MotW) feature. This vulnerability can be chained with CVE-2023-38831 and CVE-2024-21412 to execute a malicious file.

Facts

  • Vendor: Microsoft
  • Product: SmartScreen Prompt
  • CVSS: 8.8
  • EPSS (probability of exploitation within 30 days): 45.2 %
  • On CISA's Known Exploited Vulnerabilities list since: 30 April 2024
  • First known exploitation: 30 April 2024
  • CISA's deadline for US federal agencies: 21 May 2024
  • Weakness: CWE-693
  • First seen by Risk Letters: 30 April 2024

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

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