CVE-2025-33053: Microsoft Windows 10 Version 1507 · External Control of File Name or Path
Affects Microsoft Windows 10 Version 1507Source CVE Database V5
Exploited in the wild · KEV due 1 Jul 2025 · public exploit available (Metasploit) · 87% EPSS : apply the vendor's fix or mitigations to Microsoft Windows 10 Version 1507 now.
Data as of 26 Oct 2026, 17:16 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
- EPSS
- 87.0% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:CExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 10 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
Exploited in the wildExploited: evidence found.
Listed in CISA KEV the same day as disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by Microsoft Corporation
, 56 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 2 hours after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, the same day as disclosure
KEV remediation due
US federal deadline
, 21 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
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.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1507 | Affected
| Fixed in– |
Description
External control of file name or path in Internet Shortcut Files allows an unauthorized attacker to execute code over a network.
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33053 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-33053 (opens in a new tab)
- research.checkpoint.com/2025/stealth-falcon-zero-day/ (opens in a new tab)
- darkreading.com/vulnerabilities-threats/stealth-falcon-apt-exploits-microsoft-rce-zero-day-mideast (opens in a new tab)
- therecord.media/microsoft-cisa-zero-day-turkish-defense-org (opens in a new tab)
- bleepingcomputer.com/news/security/stealth-falcon-hackers-exploited-windows-webdav-zero-day-to-drop-malware/ (opens in a new tab)
- theregister.com/2025/06/10/microsoft_patch_tuesday_june/ (opens in a new tab)
- vicarius.io/vsociety/posts/cve-2025-33053-mitigation-script-remote-code-execution-vulnerability-in-microsoft-webdav (opens in a new tab)
- vicarius.io/vsociety/posts/cve-2025-33053-detection-script-remote-code-execution-vulnerability-in-microsoft-webdav (opens in a new tab)