CVE-1999-1033: microsoft outlook_express
Vulnerability summary
CVE-1999-1033 is a medium (CVSS 5.0) vulnerability in microsoft outlook_express. EPSS estimates a 17.50% chance of exploitation in the next 30 days, higher than 97.1% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 12-09-2001PublishedVulnerability first disclosed.
- 01-08-2024Last modifiedVulnerability information updated.
Description
Microsoft Outlook Express before 4.72.3612.1700 allows a malicious user to send a message that contains a .., which can inadvertently cause Outlook to re-enter POP3 command mode and cause the POP3 session to hang.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
17.50%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 17.50% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (securityfocus.com)
Maturity: unknown
Microsoft Outlook Express 4.27.3110/4.72.3120 - POP Denial of Service
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft1 product
- outlook_express≤ 4.72.3612.1700 | 4.27.3110.1 | 4.72.3120.0
1 vendor · 1 product