Security readout for executives and security teams
Plain-English summary
CVE-2018-4402 is an Apple macOS memory corruption issue fixed in macOS Mojave 10.14.1. The public bundle does not identify the component, attack path, severity, or business impact. Organizations should treat it as a legacy macOS hygiene issue unless they still operate systems older than 10.14.1.
Executive priority
Prioritize this if legacy macOS systems remain in use. If the fleet is on supported macOS versions well beyond Mojave 10.14.1, urgency is low based on the supplied evidence.
Technical view
Apple describes the issue only as memory corruption addressed with improved memory handling. The affected product is macOS before Mojave 10.14.1. No CVSS, CWE, vulnerable component, privileges, user interaction, or exploitability details are provided in the supplied sources.
Likely exposure
Exposure is limited to macOS installations running versions prior to macOS Mojave 10.14.1. The provided sources do not support extending this to other Apple products or newer macOS branches.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. It also does not describe public exploit availability, attack prerequisites, or exploitation mechanics.
Researcher notes
The public record is sparse. Key unknowns include affected component, trigger conditions, exploitability, severity, and security boundary crossed. Avoid assuming remote code execution or active exploitation without additional vendor or threat-intelligence evidence.
Mitigation direction
- Upgrade affected macOS systems to Mojave 10.14.1 or later.
- Review Apple security guidance for any platform-specific update requirements.
- Retire or isolate macOS systems that cannot receive vendor-supported updates.
- Prioritize endpoint inventory where legacy macOS versions may persist.
Validation and detection
- Inventory macOS endpoints and identify versions earlier than 10.14.1.
- Confirm patch records show installation of macOS Mojave 10.14.1 or later.
- Check whether unsupported legacy Macs remain on production networks.
- Document exceptions where upgrade or retirement is not immediately possible.
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-2018-4402 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
- https://support.apple.com/kb/HT209193CVE reference · x_refsource_MISC
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.