CVE-1999-0593

NONECVSS 0.0

0.0

The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users with physical access to shut down a Windows NT system without logging in.

CVSS v3: —
EG Score: —
EPSS: 71.7%
KEV: Not listed

Published

January 1, 1999

Last Modified

April 16, 2026

References (8)

cve@mitrehttp://osvdb.org/59333
cve@mitrehttp://technet.microsoft.com/en-us/library/cc722469.aspx
cve@mitrehttp://www.microsoft.com/technet/archive/winntas/deploy/confeat/06wntpcc.mspx?mfr=true
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/1291
af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/59333
af854a3a-2127-422b-91ae-364da2661108http://technet.microsoft.com/en-us/library/cc722469.aspx
af854a3a-2127-422b-91ae-364da2661108http://www.microsoft.com/technet/archive/winntas/deploy/confeat/06wntpcc.mspx?mfr=true
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/1291

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(4)

What is CVE-1999-0593?

CVE-1999-0593 is a none vulnerability published on January 1, 1999. The default setting for the Winlogon key entry ShutdownWithoutLogon in Windows NT allows users with physical access to shut down a Windows NT system without logging in.

When was CVE-1999-0593 disclosed?

CVE-1999-0593 was first published in the National Vulnerability Database on January 1, 1999, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-1999-0593 actively exploited?

CVE-1999-0593 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-1999-0593?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-1999-0593, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-1999-0593

📅 Published

🔄 Last Modified

🔗 References (8)