CVE-2026-43676CWE-125CWE-787

CVE-2026-43676

Medium · published June 30, 2026

CVSS v3.1

6.5

EPSS

Percentile

39.6

In the wild

Unconfirmed

What it is

An out-of-bounds access issue was addressed with improved bounds checking. 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, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

The record

Technical detail

CVSS v3.1: 6.5 · MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0: Not supplied
EPSS: 0.00469 · 39.6th percentile
Weaknesses: CWE-125 · Out-of-bounds Read; CWE-787 · Out-of-bounds Write
Published: 2026-06-30T00:17Z

Affected products (4)

Product	Versions	Fixed in
apple/safari	< 26.5.2	26.5.2
apple/ipados	< 26.5.2	26.5.2
apple/iphone_os	< 26.5.2	26.5.2
apple/macos	< 26.5.2	26.5.2

References (6)

https://support.apple.com/en-us/127594 · [email protected]https://support.apple.com/en-us/127595 · [email protected]https://support.apple.com/en-us/127685 · [email protected]https://support.apple.com/en-us/128068 · [email protected]https://support.apple.com/en-us/128070 · [email protected]https://support.apple.com/en-us/148287 · [email protected]

EPSS history

Timeline

29 JUN 19:42Z
An out-of-bounds access issue was addressed with improved bounds checking
cvelistv5