CVE-2025-33053
Published: June 10, 2025
Official Description
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.
CISA KEV Advisory
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.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Risk Analysis
Microsoft Windows is vulnerable to an external control of file name or path, which could allow an attacker to execute code from a remote WebDAV location specified in Internet Shortcut files. With a high EPSS score of 0.34263 and confirmed exploitation, this is a critical remote code execution vulnerability.
This vulnerability has been actively exploited in the wild and is listed in CISA's KEV catalog, indicating confirmed real-world exploitation. The flaw is remotely exploitable via crafted Internet Shortcut files.
Apply the latest security updates from Microsoft to patch the vulnerability in Windows. Educate users about the risks of opening untrusted Internet Shortcut files.
Technical Analysis
CVE-2025-33053 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2025-33053 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2025-33053 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1