Security readout for executives and security teams
Plain-English summary
Apple fixed a memory-safety flaw that could let an app crash the operating system. The supplied record rates it critical, but Apple’s stated impact is limited to unexpected system termination. No supplied evidence shows data theft, device takeover, or exploitation in the wild.
Executive priority
Treat remediation as urgent because the record carries a 9.8 critical score across widely deployed Apple platforms. Prioritize rapid patch coverage, while recognizing that the documented consequence is system termination and active exploitation is not established.
Technical view
CVE-2026-64700 is a CWE-416 use-after-free addressed through improved memory management. It affects multiple Apple operating-system families and may allow an app to trigger unexpected system termination. The bundle provides no vulnerable version ranges, affected component, attack prerequisites, or evidence supporting confidentiality and integrity impact.
Likely exposure
Devices running releases older than Apple’s listed fixed versions may be exposed. Exact vulnerable version ranges are unavailable because the supplied affected-version data contains placeholders. Exposure assessment should rely on operating-system inventory and Apple’s individual security advisories.
Exploitation context
The bundle marks this CVE as absent from KEV, and no supplied source reports active exploitation or public exploit availability. Apple describes an app-triggered termination scenario, implying local application involvement, although the CVSS vector instead states network-accessible, unauthenticated exploitation. This discrepancy remains unresolved.
Researcher notes
The CVSS 3.1 vector indicates remote, unauthenticated compromise with confidentiality, integrity, and availability impacts, but Apple’s description only supports an app causing termination. The affected-version entries are unusable placeholders. Researchers should avoid inferring code execution or remote reachability without additional vendor evidence.
Mitigation direction
- Update supported Apple devices to the listed fixed operating-system releases or later.
- Prioritize devices permitted to install untrusted or externally sourced applications.
- Review Apple advisories for model-specific availability and any additional vendor guidance.
- Apply existing application allowlisting and managed-device controls until updates complete.
Validation and detection
- Inventory iOS, iPadOS, macOS, tvOS, visionOS, and watchOS versions.
- Confirm devices meet or exceed the applicable Apple fixed release.
- Identify unsupported devices unable to receive the listed security updates.
- Verify update deployment through device-management reporting or local version checks.
- Monitor Apple guidance for clarified affected ranges, components, and exploitation status.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-416: 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 lookupCVE-2026-64700 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- 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
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/128066CVE reference, apple
- https://support.apple.com/en-us/128067CVE reference, apple
- https://support.apple.com/en-us/128068CVE reference, apple
- https://support.apple.com/en-us/128069CVE reference, apple
- https://support.apple.com/en-us/128070CVE reference, apple
- https://support.apple.com/en-us/128071CVE reference, apple
- https://support.apple.com/en-us/128072CVE reference, apple
- https://support.apple.com/en-us/148287CVE reference, apple
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.