CVE-2026-43794CWE-119

CVE-2026-43794

High · published August 18, 2026

CVSS v3.1

8.8

EPSS

Percentile

35.5

In the wild

Unconfirmed

What it is

A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

The record

Technical detail

CVSS v3.1: 8.8 · HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00422 · 35.5th percentile
Weakness: CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published: 2026-08-18T02:17Z

Affected products (6)

Product	Versions	Fixed in
apple/safari	< 26.6.1	26.6.1
apple/ipados	< 18.7.10	18.7.10
apple/ipados	≥ 26.0, < 26.6.1	26.6.1
apple/iphone_os	< 18.7.10	18.7.10
apple/iphone_os	≥ 26.0, < 26.6.1	26.6.1
apple/macos	≥ 26.0, < 26.6.2	26.6.2

References (7)

https://support.apple.com/en-us/148281 · [email protected]https://support.apple.com/en-us/148282 · [email protected]https://support.apple.com/en-us/148286 · [email protected]https://support.apple.com/en-us/148287 · [email protected]https://support.apple.com/en-us/149036 · [email protected]https://support.apple.com/en-us/149037 · [email protected]https://support.apple.com/en-us/149038 · [email protected]

EPSS history

Timeline

17 AUG 21:31Z
A memory corruption issue was addressed with improved memory handling
cvelistv5