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CVE Record

CVE-2018-4316: A memory corruption issue was addressed with improved state management.

A memory corruption issue was addressed with improved state management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-4316 is an Apple memory corruption flaw fixed in 2018 updates. The source bundle does not state the exact impact, severity score, or exploitability. Organizations should treat exposure as legacy Apple and Windows Apple software risk and confirm affected versions are no longer present.

Executive priority

Prioritize as a legacy exposure cleanup item unless affected software is still present on business endpoints. If legacy versions remain, remediation should be scheduled promptly because the flaw is memory corruption in widely deployed client software, but urgency cannot be rated precisely from the supplied evidence.

Technical view

Apple says the issue affected versions before iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, and iCloud for Windows 7.7. The defect was addressed through improved state management. No CVSS, CWE, or detailed attack impact is provided in the supplied sources.

Likely exposure

Exposure is most likely on unmanaged or legacy endpoints running pre-iOS 12, pre-tvOS 12, pre-Safari 12, iTunes for Windows before 12.9, or iCloud for Windows before 7.7. Modern managed fleets are less likely exposed if normal Apple and Windows software updates are enforced.

Exploitation context

The supplied bundle does not show CISA KEV listing or cited evidence of active exploitation. It also does not provide exploit prerequisites, attack vector, or confirmed public exploit status. Do not claim active exploitation from these sources.

Researcher notes

The public record in this bundle is sparse: no CVSS, CWE, detailed component, root cause, or impact statement beyond memory corruption and improved state management. Validation should focus on version evidence and mapping Apple advisory coverage to asset inventory, not exploit reproduction.

Mitigation direction

  • Update iOS to 12 or later where hardware supports it.
  • Update tvOS to 12 or later where hardware supports it.
  • Update Safari to 12 or later on supported macOS versions.
  • Update iTunes for Windows to 12.9 or later.
  • Update iCloud for Windows to 7.7 or later.
  • Retire systems that cannot receive vendor-supported updates.

Validation and detection

  • Inventory Apple devices and Windows endpoints running Apple software.
  • Verify installed versions against Apple’s fixed-version thresholds.
  • Check vulnerability scanner results for CVE-2018-4316 or related Apple advisories.
  • Confirm unsupported devices are removed, isolated, or risk-accepted.
  • Review patch management records for the 2018 Apple security updates.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2018-4316 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aiOS, tvOS, Safari, iTunes for Windows, iCloud for WindowsVersions prior to: iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.