CVE-1999-1164
UnknownEPSS 13.33%
Last modified
CVE-1999-1164 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 13.33% chance of exploitation in the next 30 days.
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.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Outlook | 97 |
| Microsoft | Outlook | 98 |
| Microsoft | Outlook | 2000 |
| Microsoft | Outlook Express | All versions |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-1999-1164?
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.
How severe is CVE-1999-1164?
Severity scoring for CVE-1999-1164 is pending analysis. The EPSS model estimates a 13.33% probability of exploitation in the next 30 days.
How do I fix CVE-1999-1164?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-1999-1164?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST