A use-after-free issue was addressed with improved memory management. 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 lead to memory corruption.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Apple Safari affected
Version Status Constraints
0 affected < 26.5.2
Apple iOS and iPadOS affected
Version Status Constraints
0 affected < 26.5.2
Apple macOS affected
Version Status Constraints
0 affected < 26.5.2

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://support.apple.com/en-us/127594 cve-icon
https://support.apple.com/en-us/127595 cve-icon
https://support.apple.com/en-us/127685 cve-icon
History

Tue, 30 Jun 2026 00:45:00 +0000

Type Values Removed Values Added
Title Use-After‑Free Exploit via Malicious Web Content Causing Memory Corruption

Mon, 29 Jun 2026 22:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Mon, 29 Jun 2026 22:00:00 +0000

Type Values Removed Values Added
Title Use-After‑Free Exploit via Malicious Web Content Causing Memory Corruption
Weaknesses CWE-416

Mon, 29 Jun 2026 20:15:00 +0000

Type Values Removed Values Added
Description A use-after-free issue was addressed with improved memory management. 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 lead to memory corruption.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2026-06-29T21:32:22.003Z

Reserved: 2026-05-01T22:46:21.646Z

Link: CVE-2026-43731

cve-icon Vulnrichment

Updated: 2026-06-29T21:32:14.637Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-30T00:30:06Z

Weaknesses