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CVE Record

CVE-2026-64726: The issue was addressed with improved memory handling.

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An attacker in physical proximity may be able to corrupt process memory.

CriticalCVSS 9.8Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

Apple fixed a memory-safety flaw that could let a nearby attacker corrupt process memory on affected devices. The record rates it critical, but provides no affected-version ranges, vulnerable component, or confirmed real-world exploitation. Organizations should identify Apple devices missing the listed security releases and update them promptly.

Executive priority

Treat remediation as urgent for exposed or high-value Apple fleets because the assigned severity is critical and memory corruption can have serious consequences. Balance that urgency with the limited technical detail: no active exploitation is established, and the physical-proximity statement conflicts with the network CVSS vector.

Technical view

CVE-2026-64726 is classified as CWE-119 and was addressed through improved memory handling. Apple states exploitation requires physical proximity. However, the supplied CVSS 3.1 vector says network-accessible, creating an unresolved inconsistency. The available record does not identify the affected component, trigger, or precise vulnerable releases.

Likely exposure

Potential exposure includes managed or personally owned Apple devices that have not reached the listed fixed releases. Exact exposure cannot be determined from the supplied version data because the affected entries contain placeholder values rather than usable ranges.

Exploitation context

The sources describe possible process-memory corruption by an attacker in physical proximity. KEV is false, and the bundle provides no evidence of active exploitation or public exploit availability. The practical attack path and resulting capabilities are not documented.

Researcher notes

Key gaps are the unidentified component, absent vulnerable-version boundaries, unspecified corruption primitive, and contradictory attack-vector data. The record supports memory corruption and physical proximity only; it does not establish code execution, remote reachability, or exploitation in the wild. Researchers should monitor Apple and CVE updates for clarification.

Mitigation direction

  • Update iOS and iPadOS devices to 18.7.10 or 26.6, as applicable.
  • Update macOS Tahoe, tvOS, visionOS, and watchOS devices to version 26.6.
  • Prioritize devices used by executives, administrators, developers, and other high-value personnel.
  • Restrict unsupervised physical access to unpatched devices until updates are installed.
  • Check Apple guidance for compatibility, deployment details, and any later revisions.

Validation and detection

  • Inventory deployed Apple devices and record each operating-system version.
  • Verify iOS and iPadOS devices run fixed releases appropriate to their supported update branch.
  • Confirm macOS Tahoe, tvOS, visionOS, and watchOS devices run version 26.6 or later.
  • Use device-management reporting to identify failed, deferred, or unenrolled updates.
  • Recheck the CVE and Apple advisories for clarified affected ranges and attack-vector details.
Prepared
Confidence
medium
Sources
8

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.

cwe · low confidence lookup

CWE-119: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-64726 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
Critical
CVSS
9.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

1CVSS vectors
3Timeline events
1ADP providers
7Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2026-64726Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AppleiOS and iPadOS0, 0Listed
ApplemacOS0Listed
AppletvOS0Listed
ApplevisionOS0Listed
ApplewatchOS0Listed
Weakness

CWE details

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

CWE-119 · source CWE mapping

Improper Restriction of Operations within the Bounds of a Memory Buffer

Improper Restriction of Operations within the Bounds of a Memory Buffer represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.