CVE-1999-1164 — MEDIUM severity vulnerability (Microsoft Outlook client allows remote attackers to cause a)
Microsoft Outlook client allows remote attackers to cause a denial of service by sending multiple email messages with the same X-UIDL headers, which causes Outlook to hang.
| CVE ID | CVE-1999-1164 |
|---|---|
| Severity | MEDIUM |
| CVSS score | 5.0 |
| CVSS vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| CWE | NVD-CWE-Other |
| Status | Modified |
| Published | 1999-06-25 |
| Last modified | 2026-04-16 |
| Description | Microsoft Outlook client allows remote attackers to cause a denial of service by sending multiple email messages with the same X-UIDL headers, which causes Outlook to hang. |
| Source | NIST National Vulnerability Database |
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