Microsoft Windows External Control of File Name or Path Vulnerability (CVE-2025-33053)
Severity: high · Patch status: unknown · Since 2025-06-10 · CVE-2025-33053
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 added CVE-2025-33053 to its Known Exploited Vulnerabilities catalog on Jun 10, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Jul 1, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch