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TI-2026-46319 Aliases CVE-2026-64788GHSA-23mg-c4fv-vfxj

Memory corruption in Apple iOS and iPadOS

Priority LOW 24CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00253 16th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 26.6.1macOS (Apple): 26.6.2+2 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 26.6.126.6.1Patch availableCNA
ApplemacOSbefore 26.6.226.6.2Patch availableCNA
ApplevisionOSbefore 2727Patch availableCNA
ApplewatchOSbefore 2727Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 26.6.1 Fixed in 26.6.1 Patch available CNA
  • macOS VendorApple Affected before 26.6.2 Fixed in 26.6.2 Patch available CNA
  • visionOS VendorApple Affected before 27 Fixed in 27 Patch available CNA
  • watchOS VendorApple Affected before 27 Fixed in 27 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.6.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.6.1VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*26.0 to before 26.6.2VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.6.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.6.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 26.0 to before 26.6.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 26.6.1
  • Fix · CNA macOS (Apple) Fixed in 26.6.2
  • Fix · CNA visionOS (Apple) Fixed in 27
  • Fix · CNA watchOS (Apple) Fixed in 27

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple visionOS 27

    29 records Highest priority Priority MEDIUM 3 MEDIUM, 26 LOW

    Other records, highest priority first

    • TI-2026-46546 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2026-46543 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-31883 Memory corruption in Apple SafariPriority MEDIUM 40
    Show all 29 records →
  • Release ·

    Apple macOS 26.6.2

    24 records Highest priority Priority MEDIUM 2 MEDIUM, 22 LOW

    Other records, highest priority first

    • TI-2026-46543 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-31883 Memory corruption in Apple SafariPriority MEDIUM 40
    • TI-2026-46547 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 29
    Show all 24 records →
Show 2 more groups
  • Release ·

    Apple watchOS 27

    13 records Highest priority Priority MEDIUM 3 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2026-46546 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2026-46543 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-31883 Memory corruption in Apple SafariPriority MEDIUM 40
    Show all 13 records →
  • Release ·

    Apple iOS and iPadOS 26.6.1

    6 records Highest priority Priority MEDIUM 2 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2026-46546 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2026-46543 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-46547 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 29
    Show all 6 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-64788
  2. 2026-10-03 Alias added: GHSA-23mg-c4fv-vfxj

References

Advisory 2

Other 2

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences