Security readout for executives and security teams
Plain-English summary
This old Internet Explorer issue involved the DHTML Edit ActiveX control and could let a remote attacker read arbitrary files. The source bundle does not provide CVSS, affected version detail, or current exploit evidence. Business risk depends on whether any legacy Internet Explorer or ActiveX-dependent systems remain in use.
Executive priority
Treat as a legacy exposure review item, not an internet-wide emergency based on supplied evidence. Escalate if business-critical systems still depend on Internet Explorer ActiveX.
Technical view
CVE-1999-0487 describes arbitrary file read via the DHTML Edit ActiveX control in Internet Explorer. The bundle lists Microsoft bulletin MS99-011 as the vendor advisory, but does not include affected version ranges, CWE mapping, CVSS scoring, or specific remediation text.
Likely exposure
Exposure is most likely limited to legacy environments that still run Internet Explorer components or allow the DHTML Edit ActiveX control. Modern browser-only environments are not shown as affected by the supplied sources.
Exploitation context
The CVE describes remote attacker file-read impact, but the bundle provides no exploit details and KEV is false. There is no cited evidence of active exploitation in the supplied sources.
Researcher notes
Key gaps are affected versions, CVSS, CWE, and detailed fix data. Avoid assuming current exploitability without verifying the Microsoft advisory and the organization’s actual legacy browser footprint.
Mitigation direction
- Review Microsoft MS99-011 for vendor remediation guidance.
- Inventory systems that still use Internet Explorer or ActiveX controls.
- Retire or isolate legacy browser-dependent workflows where feasible.
- Restrict ActiveX use to explicitly required trusted business contexts.
Validation and detection
- Check asset inventory for Internet Explorer-dependent systems.
- Identify applications requiring the DHTML Edit ActiveX control.
- Confirm remaining legacy hosts have documented MS99-011 remediation status.
- Review browser policies for permitted ActiveX execution.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-1999-0487 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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
- MS99-011CVE 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.