CVE-2025-33053
Microsoft Windows External Control of File Name or Path Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 1 July 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
External control of file name or path in Internet Shortcut Files allows an unauthorized attacker to execute code over a network.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 87.02% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 10 June 2025 · due 1 July 2025
- Weakness
- CWE-73
- Affected
- microsoft/windows 10 1507 · microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows 10 21h2 · microsoft/windows 10 22h2 · microsoft/windows 11 22h2 · microsoft/windows 11 23h2 · microsoft/windows 11 24h2 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2022 23h2 · microsoft/windows server 2025
- Source
- secure@microsoft.com
EPSS 87.0% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-33053 ; https://nvd.nist.gov/vuln/detail/CVE-2025-33053
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33053Vendor Advisory
- https://research.checkpoint.com/2025/stealth-falcon-zero-day/Exploit, Technical Description
- https://therecord.media/microsoft-cisa-zero-day-turkish-defense-orgPress/Media Coverage
- https://www.bleepingcomputer.com/news/security/stealth-falcon-hackers-exploited-windows-webdav-zero-day-to-drop-malware/Press/Media Coverage
- https://www.darkreading.com/vulnerabilities-threats/stealth-falcon-apt-exploits-microsoft-rce-zero-day-mideastPress/Media Coverage
- https://www.theregister.com/2025/06/10/microsoft_patch_tuesday_june/Press/Media Coverage
- https://www.vicarius.io/vsociety/posts/cve-2025-33053-detection-script-remote-code-execution-vulnerability-in-microsoft-webdavExploit, Third Party Advisory
- https://www.vicarius.io/vsociety/posts/cve-2025-33053-mitigation-script-remote-code-execution-vulnerability-in-microsoft-webdavExploit, Mitigation, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33053US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.