CVE-2026-86946

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86946
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-26 21:20:32 UTC
Updated2026-11-03 18:18:06 UTC
DescriptionA use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

Risk And Classification

Primary CVSS: v3.1 7.7 HIGH from ADP

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

EPSS: 0.002180000 probability, percentile 0.122470000 (date 2026-10-27)

Problem Types: CWE-416 | An app may be able to cause unexpected system termination or corrupt kernel memory | CWE-416 CWE-416 Use After Free

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.7HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.7HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple MacOS affected 15.8.2 custom Not specified
CNA Apple MacOS affected 26.7.2 custom Not specified
CNA Apple MacOS affected 27.2 custom Not specified

References

ReferenceSourceLinkTags
support.apple.com/en-us/149521 [email protected] support.apple.com
support.apple.com/en-us/149523 [email protected] support.apple.com
support.apple.com/en-us/149522 [email protected] support.apple.com
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