LiveActive security incident?Get immediate response
CVE Record

CVE-2018-4264: 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
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

Apple fixed multiple memory corruption issues affecting older iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows releases. The source bundle does not provide CVSS, CWE, or a detailed impact statement. Business risk is mainly from unmanaged legacy Apple clients or Windows systems still running the affected Apple software.

Executive priority

Handle this as a legacy exposure cleanup item unless internal inventory shows affected systems still in production. Escalate priority for unmanaged endpoints, executive devices, shared workstations, or systems that regularly process untrusted content.

Technical view

CVE-2018-4264 covers multiple memory corruption issues addressed by Apple through improved memory handling. Affected versions are prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, and iCloud for Windows 7.6. No exploit mechanics, CVSS vector, or CWE is provided in the bundle.

Likely exposure

Exposure is most likely where legacy Apple devices, Safari installations, or Windows endpoints with old iTunes or iCloud remain in use. Modern managed fleets are likely already patched, but dormant systems, kiosks, lab machines, and unmanaged personal devices may still matter.

Exploitation context

The provided sources do not show CISA KEV listing, active exploitation, public exploit availability, or exploitation prerequisites. Treat exploitation status as unconfirmed, not absent. The vulnerability class is memory corruption, but the bundle does not state the exact attack path or impact.

Researcher notes

The source bundle is sparse: no CVSS, CWE, affected component detail, exploit status, or precise security impact is included. Analysis should stay tied to Apple’s affected-version statements and avoid assuming arbitrary code execution or a browser-only attack path without confirming vendor text.

Mitigation direction

  • Update affected Apple products to the listed fixed versions or later.
  • Prioritize unsupported or unmanaged devices that cannot receive current Apple updates.
  • Remove obsolete iTunes or iCloud for Windows installations where no longer needed.
  • Check current Apple security guidance before choosing compensating controls.
  • Document any accepted risk for systems that cannot be upgraded.

Validation and detection

  • Inventory iOS, tvOS, watchOS, Safari, iTunes for Windows, and iCloud for Windows versions.
  • Confirm iOS is 11.4.1 or later on relevant devices.
  • Confirm Safari is 11.1.2 or later where applicable.
  • Confirm iTunes for Windows is 12.8 or later if installed.
  • Confirm iCloud for Windows is 7.6 or later if installed.
  • Review vulnerability scanner findings against the exact affected version ranges.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2018-4264 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
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.