Remote code execution in Microsoft Windows MSHTML



| Updated: 2025-06-20
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2025-33053
CWE-ID CWE-73
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Microsoft Internet Explorer
Client/Desktop applications / Web browsers

Vendor Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) External Control of File Name or Path

EUVDB-ID: #VU110708

Risk: Critical

CVSSv4.0: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red]

CVE-ID: CVE-2025-33053

CWE-ID: CWE-73 - External Control of File Name or Path

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect processing of file path in WebDav links. A remote attacker can trick the victim into clicking on a specially crafted link and execute arbitrary code on the system.

Note, the vulnerability is being actively exploited in the wild. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 21H2 10.0.19041.3920 - 11 24H2 10.0.26100.4264

Windows Server: 2008 6.0.6003.22567 - 2025 10.0.26100.4264

Microsoft Internet Explorer: 11 - 11.1790.17763.0

CPE2.3 External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2025-33053


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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