VulnerabilityAnalyzed
CVE-2025-33053
Microsoft Windows External Control of File Name or Path Vulnerability
KEVHIGH 8.8EPSS 87.6%
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
- 87.61% probability · 100th percentile
- 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
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. Refreshed daily.