Security readout for executives and security teams
This is a legacy Windows NT privilege-escalation issue tied to the Task Scheduler installed with Internet Explorer 5. A local user could gain higher privileges by changing a scheduled job after it was created. Business risk is mainly for organizations still operating or inheriting old NT-era systems. Exposure appears limited to legacy Windows NT environments with Internet Explorer 5 Task Scheduler installed, especially where non-administrative users can access scheduled jobs. Modern exposure is unknown from the bundle and should not be assumed. Prioritize if legacy Windows NT systems remain in production, regulated environments, or operational technology networks. Otherwise, treat as historical risk with asset-discovery value rather than an urgent enterprise-wide event. Mitigation focus: Check Microsoft MS99-051 and Q246972 for official remediation guidance.; Identify and isolate legacy Windows NT systems still in operation.; Restrict local user access to scheduled job creation and modification..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-1999-0839 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- MS99-051CVE reference · vendor-advisory, x_refsource_MS
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.