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THREAT OPSThreat News › ZDI-26-605: Microsoft Windows Localized Filenames Improper Input Validation NTLM Response Information Disclosure Vulnerability

ZDI-26-605: Microsoft Windows Localized Filenames Improper Input Validation NTLM Response Information Disclosure Vulnerability

medzdi_publishedPublished 2026-08-24

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.

MITRE ATT&CK techniques

Indicators of compromise

Original source: http://www.zerodayinitiative.com/advisories/ZDI-26-605/