Risk Letters

Exploited vulnerability

CVE-2025-33053

TLP:CLEAR

Microsoft Windows External Control of File Name or Path Vulnerability

Microsoft Windows contains an external control of file name or path vulnerability that could allow an attacker to execute code from a remote WebDAV location specified by the WorkingDirectory attribute of Internet Shortcut files.

Facts

  • Vendor: Microsoft
  • Product: Windows
  • CVSS: 8.8
  • EPSS (probability of exploitation within 30 days): 87 %
  • On CISA's Known Exploited Vulnerabilities list since: 10 June 2025
  • First known exploitation: 10 June 2025
  • CISA's deadline for US federal agencies: 1 July 2025
  • Weakness: CWE-73
  • First seen by Risk Letters: 10 June 2025

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