CVE-1999-0975 EXPLOIT
4.6
MEDIUM · CVSS 2.0 · EPSS 2.7% (pctl 85)
Patch early
A public exploit exists.
Description
The Windows help system can allow a local user to execute commands as another user by editing a table of contents metafile with a .CNT extension and modifying the topic action to include the commands to be executed when the .hlp file is accessed.
Scoring
| CVSS | 4.6 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| EPSS | 2.7% — more likely to be exploited than 85% of all CVEs |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 1999-12-10 |
| Last modified | 2026-06-16 |
Affected (3)
| Vendor | Product |
|---|---|
| microsoft | windows 95 |
| microsoft | windows 98 |
| microsoft | windows nt |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft Windows 95/98/NT 4.0 - Help File Backdoor | 1999-12-10 |
→ the Explorer · watch your stack · NVD