CVE-1999-1033 EXPLOIT
5.0
MEDIUM · CVSS 2.0 · EPSS 17.5% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 5.0 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| EPSS | 17.5% — more likely to be exploited than 97% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 1999-05-11 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| microsoft | outlook express |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Outlook Express 4.27.3110/4.72.3120 - POP Denial of Service | 1999-05-11 |
References
→ the Explorer · watch your stack · NVD