CVE-1999-0858: Internet Explorer 5 allows a remote attacker to modify the IE client's proxy configuration via a malicious Web Proxy Aut
Summary
Internet Explorer 5 allows a remote attacker to modify the IE client's proxy configuration via a malicious Web Proxy Auto-Discovery (WPAD) server.
Severity
UNKNOWN
Source Attribution
Source: NVD · Updated: 2026-08-21T04:30:51.798Z · 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.
References
- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ247333
- http://www.securityfocus.com/bid/846
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-054
- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ247333
- http://www.securityfocus.com/bid/846
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/1999/ms99-054