PT-2026-53727 · Apple · Safari+2

Arni Hardarson + 2 · Published 2026-06-29 · Updated 2026-06-29 · CVE-2026-43740

Mitre

CVSS v3.1

6.5

Medium

Base vector

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

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.

Fix

Buffer Overflow

Use After Free

Weakness Enumeration

CWE-119

CWE-416

Related Identifiers

CVE-2026-43740

Affected Products

Safari

Ios/Ipados

Apple Macos

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-43740 · Security Note
• https://support.apple.com/en-us/127594 · Note
• https://support.apple.com/en-us/127685 · Note
• https://support.apple.com/en-us/127595 · Note