Security readout for executives and security teams
Plain-English summary
CVE-2018-4422 is an Apple macOS memory corruption issue fixed in macOS Mojave 10.14.1. Public sources do not describe the vulnerable component, impact path, CVSS score, or active exploitation, so urgency depends mainly on whether older Mojave systems remain in use.
Executive priority
Handle as a legacy macOS patch-compliance issue unless unsupported Mojave-era devices are still present. The missing severity and exploit evidence prevent a defensible critical rating from the supplied sources alone.
Technical view
The CVE record states a memory corruption issue in macOS was addressed with improved memory handling. Affected versions are those before macOS Mojave 10.14.1. The provided sources do not include CWE, CVSS, attack vector, privilege requirements, or proof-of-concept details.
Likely exposure
Exposure is limited to macOS deployments running versions before macOS Mojave 10.14.1. Modern, fully patched macOS fleets are unlikely to be affected based on the supplied affected-version statement.
Exploitation context
The provided bundle does not show CISA KEV listing or any cited evidence of active exploitation. Treat exploitation status as not confirmed from these sources.
Researcher notes
The public record is sparse: no component, trigger condition, CVSS vector, CWE, or exploit maturity is provided. Analysis should stay anchored to version exposure and Apple’s statement that improved memory handling resolved the issue.
Mitigation direction
- Upgrade affected Macs to macOS Mojave 10.14.1 or a later supported macOS release.
- Review Apple advisory HT209193 for vendor-stated security update details.
- Retire or isolate legacy Macs that cannot receive supported macOS updates.
- Ensure endpoint management enforces minimum supported macOS versions.
Validation and detection
- Inventory macOS versions across managed and unmanaged endpoints.
- Confirm no systems remain below macOS Mojave 10.14.1.
- Check patch compliance reports against Apple security update HT209193.
- Document exceptions for legacy systems and their compensating controls.
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-2018-4422 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.