CVE-1999-0391: The cryptographic challenge of SMB authentication in Windows 95 and Windows 98 can be reused, allowing an attacker to re
Summary
The cryptographic challenge of SMB authentication in Windows 95 and Windows 98 can be reused, allowing an attacker to replay the response and impersonate a user.
Severity
UNKNOWN
Source Attribution
Source: NVD · Updated: 2026-08-21T04:30:42.704Z · Confidence: high
Impact
Based on CVSS vector: n/a — assess confidentiality, integrity, and availability impact via the official vector documentation.
Affected Software
Fix
Upgrade affected software to the fixed version identified above. Apply vendor patches and monitor advisories before exposed systems go unpatched.