CVE-2026-43740 | The issue was addressed with improved memory handling. This … | CVSS 6.5 MEDIUM

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. Processing maliciously crafted web content may result in the disclosure of process memory.

Metadata

CVE ID: CVE-2026-43740
State: PUBLISHED
Assigner: apple
Reserved: 2026-05-01 22:46 UTC
Published: 2026-06-29 19:43 UTC
Last updated: 2026-06-29 21:47 UTC
Primary CWE: CWE-416
CWE-416 Use After Free
Vendor / Product: Apple / Safari
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

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

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (3)

Vendor	Product	Platform	Versions
Apple	iOS and iPadOS	—	0 < 26.5.2
Apple	macOS	—	0 < 26.5.2
Apple	Safari	—	0 < 26.5.2

Weakness (CWE)

CWE	Source	Description
—	cna	Processing maliciously crafted web content may result in the disclosure of process memory
CWE-119	adp	CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-416	adp	CWE-416 Use After Free

CVSS scores (1)

Score	Severity	Version	Source	Vector
6.5	MEDIUM	3.1	adp	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References (3)