CVE-2026-86921

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86921
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-20 01:17:27 UTC
Updated2026-10-20 15:03:59 UTC
DescriptionA permissions issue was addressed with improved validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, visionOS 27. A local attacker may be able to overwrite restricted files.

Risk And Classification

Primary CVSS: v3.1 6.2 MEDIUM from ADP

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

EPSS: 0.001460000 probability, percentile 0.034400000 (date 2026-10-20)

Problem Types: CWE-269 | A local attacker may be able to overwrite restricted files | CWE-269 CWE-269 Improper Privilege Management

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED6.2MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.2MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple IOS And IPadOS affected 26.7 custom Not specified
CNA Apple IOS And IPadOS affected 27 custom Not specified
CNA Apple MacOS affected 27 custom Not specified
CNA Apple VisionOS affected 27 custom Not specified

References

ReferenceSourceLinkTags
support.apple.com/en-us/149035 [email protected] support.apple.com
support.apple.com/en-us/149038 [email protected] support.apple.com
support.apple.com/en-us/149034 [email protected] support.apple.com
support.apple.com/en-us/149041 [email protected] support.apple.com
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