Security readout for executives and security teams
Plain-English summary
CVE-2014-4066 is an Internet Explorer 11 memory corruption issue. A user visiting a crafted website could let an attacker run code or crash the browser. The business risk is mainly legacy desktops or applications that still depend on IE11.
Executive priority
Prioritize if the organization still has IE11-dependent systems or unmanaged legacy desktops. For modern environments without IE11 use, urgency is lower, but confirmation is still needed because the impact includes possible code execution.
Technical view
The source describes a remote code execution or denial-of-service memory corruption vulnerability in Microsoft Internet Explorer 11, addressed in Microsoft bulletin MS14-037. It is distinct from several other IE vulnerabilities in the same disclosure set. No CVSS, CWE, or detailed affected platform matrix is provided in the bundle.
Likely exposure
Exposure is most likely on legacy Windows environments where Internet Explorer 11 remains installed, enabled, or used for line-of-business browsing. The bundle does not identify other affected products or versions.
Exploitation context
The source bundle supports a crafted-website attack scenario. CISA KEV status is false, and the provided sources do not claim active exploitation. Treat exploitation evidence as incomplete rather than proven absent.
Researcher notes
The bundle lacks CVSS, CWE, exploit telemetry, and a detailed affected configuration matrix. Analysis should remain anchored to IE11, crafted website delivery, memory corruption, and MS14-037 remediation. Do not merge assumptions from neighboring IE CVEs without source support.
Mitigation direction
- Review Microsoft MS14-037 and apply the relevant Internet Explorer security update.
- Identify systems where Internet Explorer 11 remains installed or usable.
- Reduce IE11 exposure to untrusted websites where immediate patching is delayed.
- Follow current Microsoft guidance for any still-supported legacy dependency.
Validation and detection
- Confirm endpoint patch records include the MS14-037 Internet Explorer update.
- Inventory browsers and legacy applications that invoke Internet Explorer 11.
- Check vulnerability scanner results for CVE-2014-4066 or MS14-037 coverage.
- Verify compensating controls do not depend on unsupported assumptions.
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.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2014-4066 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
- MS14-037CVE 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.