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CVE Record

CVE-2018-4272: 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 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2018-4272 is an Apple security issue covering multiple memory corruption flaws. Apple fixed it in July 2018 updates across iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows. Business risk mainly comes from legacy or unmanaged devices still below those fixed versions.

Executive priority

Treat this as a legacy exposure cleanup item unless asset inventory shows many outdated Apple or Windows endpoints. Prioritize unmanaged, internet-facing, or high-value user systems.

Technical view

The CVE record describes multiple memory corruption issues addressed through improved memory handling. The bundle does not provide CVSS, CWE, exploit mechanics, or affected component detail beyond the listed Apple products and fixed version thresholds.

Likely exposure

Exposure is most likely on old Apple devices, outdated Safari installations, and Windows endpoints running legacy iTunes or iCloud versions below Apple’s fixed releases.

Exploitation context

The provided bundle does not show CISA KEV listing or any cited evidence of active exploitation. No exploit status should be inferred from the memory corruption description alone.

Researcher notes

Public metadata is sparse. The record confirms memory corruption and fixed version thresholds, but not CVSS, CWE, component internals, exploit prerequisites, or active exploitation. Avoid assuming browser exploitability beyond Apple’s published affected products.

Mitigation direction

  • Update iOS to 11.4.1 or a supported later version.
  • Update tvOS to 11.4.1 or a supported later version.
  • Update watchOS to 4.3.2 or a supported later version.
  • Update Safari to 11.1.2 or a supported later version.
  • Update iTunes for Windows to 12.8 and iCloud for Windows to 7.6 or later.
  • Check Apple guidance for unsupported devices and legacy software removal.

Validation and detection

  • Inventory Apple device OS versions and compare them to the fixed versions.
  • Inventory Safari, iTunes for Windows, and iCloud for Windows versions.
  • Confirm vulnerability scanner results map to CVE-2018-4272 and the affected product list.
  • Review endpoint management records for successful Apple security update installation.
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-2018-4272 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 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6Listed
Weakness

CWE details

No CWE listed

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