CVE-1999-1164: microsoft outlook
CVSS: 5.0v2.0MediumModified
Published 12-09-2001Last modified 01-08-2024
Vulnerability summary
CVE-1999-1164 is a medium (CVSS 5.0) vulnerability in microsoft outlook. EPSS estimates a 13.23% chance of exploitation in the next 30 days, higher than 96.3% of scored vulnerabilities.
CVSS score
5.0/10
010
Medium · v2.0 (NVD)EPSS score
13.23%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-09-2001PublishedVulnerability first disclosed.
- 01-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionMedium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
13.23%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 13.23% on 21-09-2026
21-09-202621-10-2026
EPSS score13.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft1 product
- outlook97 | 98 | 2000
1 vendor · 1 product