CVE-1999-1431
ZAK in Appstation mode allows users to bypass the "Run only allowed apps" policy by starting...
ZAK in Appstation mode allows users to bypass the "Run only allowed apps" policy by starting Explorer from Office 97 applications (such as Word), installing software into the TEMP directory, and changing the name to that for an allowed application, such as Winword.exe.
Exploit likelihood
What each source reports
NVD Score used
ZAK in Appstation mode allows users to bypass the "Run only allowed apps" policy by starting Explorer from Office 97 applications (such as Word), installing software into the TEMP directory, and changing the name to that for an allowed application, such as Winword.exe.
- Record
CVE-1999-1431- CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
ZAK in Appstation mode allows users to bypass the "Run only allowed apps" policy by starting Explorer from Office 97 applications (such as Word), installing software into the TEMP directory, and changing the name to that for an allowed application, such as Winword.exe.
- Record
CVE-1999-1431- Updated
- 2026-11-02
EUVDEUVD-1999-1412 No score
ZAK in Appstation mode allows users to bypass the "Run only allowed apps" policy by starting Explorer from Office 97 applications (such as Word), installing software into the TEMP directory, and changing the name to that for an allowed application, such as Winword.exe.
- Record
EUVD-1999-1412- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q7hj-hx26-wwww No score
ZAK in Appstation mode allows users to bypass the "Run only allowed apps" policy by starting...
ZAK in Appstation mode allows users to bypass the "Run only allowed apps" policy by starting Explorer from Office 97 applications (such as Word), installing software into the TEMP directory, and changing the name to that for an allowed application, such as Winword.exe.
- Record
GHSA-q7hj-hx26-wwww- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Microsoft Zero Administration Kit (ZAK) 1.0 / Office97 - Backdoor Access | 1999-01-07 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-1999-1431 is a medium vulnerability (CVSS 4.6) in Microsoft Zero Administration Kit, published September 12, 2001. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 9.65%, the 95th percentile. No source names a fixed version.