CVE-2026-43794

Analyzed Analyzed - Analysis Complete

Memory Corruption in iOS and iPadOS

Publication date: 2026-08-17

Last updated on: 2026-08-19

Assigner: Apple Inc.

Description

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. Processing maliciously crafted web content may lead to memory corruption.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-17

Last Modified

2026-08-19

Generated

2026-09-07

AI Q&A

2026-08-18

EPSS Evaluated

2026-09-05

NVD

CVE-2026-43794

EUVD

EUVD-2026-60510

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 18.7.10 (exc)
apple	ipados	From 26.0 (inc) to 26.6.1 (exc)
apple	iphone_os	to 18.7.10 (exc)
apple	iphone_os	From 26.0 (inc) to 26.6.1 (exc)
apple	macos	From 26.0 (inc) to 26.6.2 (exc)
apple	safari	to 26.6.1 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

Executive Summary

This is a memory corruption vulnerability caused by improper memory handling. It occurs when maliciously crafted web content is processed, potentially leading to memory corruption issues.

Detection Guidance

This vulnerability is related to memory corruption from maliciously crafted web content. Detection primarily involves checking system and application versions against the fixed releases: iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, or macOS Tahoe 26.6.2.

Impact Analysis

If exploited, this vulnerability could allow attackers to execute arbitrary code or cause unexpected system behavior when processing malicious web content. It may lead to crashes, data corruption, or unauthorized access to sensitive information.

Compliance Impact

The provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA. The vulnerability involves memory corruption from maliciously crafted web content, which could potentially lead to arbitrary code execution or denial of service. However, without explicit details on data exposure or privacy implications, its compliance impact remains unclear.

Mitigation Strategies

Update affected devices to the latest patched versions immediately: iOS 18.7.10 or later, iPadOS 18.7.10 or later, iOS 26.6.1 or later, iPadOS 26.6.1 or later, or macOS Tahoe 26.6.2 or later. Avoid visiting untrusted websites until updates are applied.

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