CVE-1999-1164

medium Microsoft
CVSS v3 Base Score
5.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Score
6.9%
Exploitation probability in 30 days
Top 9% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P
Published: June 25, 1999 (9820 days ago)
Last Modified: April 16, 2026
Vendor: Microsoft
Source: NVD

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.

CWE

NVD-CWE-Other

Affected Products

microsoft outlookmicrosoft outlook express

References

🔗 marc.info 🔗 marc.info