CVE-2026-43658

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Summary

CVECVE-2026-43658
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-11 21:19:01 UTC
Updated2026-05-12 18:17:27 UTC
DescriptionThe issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

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

Problem Types: CWE-119 | Processing maliciously crafted web content may lead to an unexpected Safari crash | CWE-119 CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple IOS And IPadOS affected 26.5 custom Not specified
CNA Apple MacOS affected 26.5 custom Not specified
CNA Apple TvOS affected 26.5 custom Not specified
CNA Apple VisionOS affected 26.5 custom Not specified
CNA Apple WatchOS affected 26.5 custom Not specified

References

ReferenceSourceLinkTags
support.apple.com/en-us/127118 [email protected] support.apple.com
support.apple.com/en-us/127115 [email protected] support.apple.com
support.apple.com/en-us/127120 [email protected] support.apple.com
support.apple.com/en-us/127119 [email protected] support.apple.com
support.apple.com/en-us/127110 [email protected] support.apple.com
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