CVE-1999-1365

CVE-1999-1365 is a high-severity vulnerability in Microsoft Windows Nt with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Windows NT searches a user's home directory (%systemroot% by default) before other directories to find critical programs such as NDDEAGNT.EXE, EXPLORER.EXE, USERINIT.EXE or TASKMGR.EXE, which could allow local users to bypass access restrictions or gain privileges by placing a Trojan horse program into the root directory, which is writable by default.

Frequently asked questions

What is CVE-1999-1365?
Windows NT searches a user's home directory (%systemroot% by default) before other directories to find critical programs such as NDDEAGNT.EXE, EXPLORER.EXE, USERINIT.EXE or TASKMGR.EXE, which could allow local users to bypass access restrictions or gain privileges by placing a Trojan horse program into the root directory, which is writable by default.
How severe is CVE-1999-1365?
CVE-1999-1365 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-1999-1365 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-1365?
CVE-1999-1365 affects Microsoft Windows Nt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-1365?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-1365 published?
CVE-1999-1365 was published on 1999-06-28 and last updated on 2026-06-16.

References

Affected products (1)

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