CVE-2026-43663

State: Published
Severity: 6.5 Medium
Published: Jun 29, 2026
Updated: Aug 17, 2026
Reserved: May 1, 2026

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected process crash.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
SafariApple	before 26.5.2Affected
iOS and iPadOSApple	before 18.7.10Affected before 26.5.2Affected
macOSApple	before 26.5.2Affected
tvOSApple	before 26.6Affected
visionOSApple	before 26.6Affected
watchOSApple	before 26.6Affected

References

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