ZDI-CAN-29223: ZDI-26-605: Microsoft Windows Localized Filenames Improper Input Validation NTLM Response Information Disclosure Vulnerability
Published Aug 24, 2026
·Updated
This vulnerability allows remote attackers to disclose NTLM responses on affected installations of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 3.3. The following CVEs are assigned: CVE-2026-50508.
Affected Software
1 affected component
Microsoft Windows
Event History
Aug 24, 2026
Advisory Published
via ZDI·05:00 AM
Data Sourced
via ZDI·05:00 AM
Description
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
The attacker must induce the target to visit a malicious page or open a malicious file. Exploitation is remote, but it requires user interaction.
2
What information could be exposed if exploitation succeeds?
A successful attack can disclose NTLM responses from an affected Microsoft Windows installation.