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CVE-1999-0994
Windows NT with SYSKEY reuses the keystream that is used for encrypting SAM password hashes, allowing an attacker to crack passwords.
Medium5.0EPSS 7.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Windows NT with SYSKEY reuses the keystream that is used for encrypting SAM password hashes, allowing an attacker to crack passwords.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 7.1% · top 5.7% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (3)
- 873 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- Q248183 (opens in a new tab)vendor-advisoryx_refsource_MSKBx_transferred
- MS99-056 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-1999-0994)Record last updated .