CVE-2026-86918

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86918
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-20 01:17:27 UTC
Updated2026-10-20 15:17:35 UTC
DescriptionAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted image may lead to unexpected app termination.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from ADP

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

EPSS: 0.001520000 probability, percentile 0.039980000 (date 2026-10-20)

Problem Types: CWE-787 | Processing a maliciously crafted image may lead to unexpected app termination | CWE-787 CWE-787 Out-of-bounds Write

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple IOS And IPadOS affected 27 custom Not specified
CNA Apple MacOS affected 27 custom Not specified
CNA Apple TvOS affected 27 custom Not specified
CNA Apple VisionOS affected 27 custom Not specified
CNA Apple WatchOS 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/149037 [email protected] support.apple.com
support.apple.com/en-us/149036 [email protected] support.apple.com
support.apple.com/en-us/149034 [email protected] support.apple.com
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