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CVE Record

CVE-2018-4299: Multiple memory corruption issues were addressed with improved memory handling.

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5, 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

Apple fixed multiple memory corruption issues in several Apple products in 2018-era releases. The supplied sources do not provide CVSS, detailed impact, or active exploitation evidence. Business urgency depends mainly on whether legacy devices or Windows hosts still run versions older than the named fixed releases.

Executive priority

Handle as a legacy exposure cleanup item unless inventory shows many outdated Apple or Windows Apple-client installations. There is no supplied evidence of active exploitation, but memory corruption flaws in user-facing software can carry meaningful risk when old systems remain in service.

Technical view

CVE-2018-4299 covers multiple memory corruption issues addressed by improved memory handling. Affected products are versions before iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, and iCloud for Windows 7.7. No CWE, CVSS, exploit details, or KEV listing are provided.

Likely exposure

Exposure is most likely on unmanaged, legacy, or frozen Apple endpoints and Windows systems with older iTunes or iCloud installations. Current fully updated environments are less likely exposed, but the supplied evidence only names fixed version thresholds, not deployment prevalence.

Exploitation context

The source bundle does not show CISA KEV listing or cited active exploitation. It also does not provide public exploit status. Treat exploitation as unconfirmed based on the supplied evidence.

Researcher notes

The record is sparse: no CVSS, CWE, exploit status, affected build ranges beyond fixed-version thresholds, or detailed impact are included. Analysis should stay tied to Apple’s named fixed releases and avoid assuming code execution or exploitability details not present in the sources.

Mitigation direction

  • Inventory affected Apple operating systems, Safari, iTunes for Windows, and iCloud for Windows versions.
  • Upgrade to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9, or iCloud 7.7 or later.
  • Check Apple security advisories for any newer platform-specific replacement guidance.
  • Prioritize devices that process untrusted content or are difficult to monitor.
  • Retire or isolate systems that cannot be upgraded past affected versions.

Validation and detection

  • Confirm no managed assets run versions older than the fixed Apple releases.
  • Review endpoint management records for unmanaged Apple devices and Windows Apple client software.
  • Check vulnerability scanner results against the named affected product versions.
  • Verify update compliance after remediation through MDM, EDR, or software inventory.
  • Document exceptions for unsupported devices and confirm compensating controls.
Prepared
Confidence
medium
Sources
8

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-2018-4299 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
7Source 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, watchOS, Safari, iTunes for Windows, iCloud for WindowsVersions prior to: iOS 12, tvOS 12, watchOS 5, 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.