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CVE-2026-65340: Processing maliciously crafted web content may lead to an unexpected Safari crash in Apple Safari

0
Medium
Published: 08/17/2026 (08/17/2026, 21:31:03 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: Safari

Description

This issue was addressed through improved state management. 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, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS v3.1

Score 4.3medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected software

Apple

Safari

Affected versions
>=0 <26.6.1

Apple

iOS and iPadOS

Affected versions
>=0 <18.7.10>=0 <26.6.1

Apple

macOS

Affected versions
>=0 <26.6.2

Apple

visionOS

Affected versions
>=0 <27

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/19/2026, 00:52:45 UTC

Technical Analysis

CVE-2026-65340 is a vulnerability in Apple Safari where processing maliciously crafted web content may lead to an unexpected crash of the browser. The root cause relates to improper state management within Safari's handling of web content. Apple fixed this issue in Safari 26.6.1 and corresponding OS versions iOS 18.7.10, iPadOS 18.7.10, macOS Tahoe 26.6.2, and visionOS 27. The CVSS score is 4.3 (medium), reflecting a network attack vector with low complexity and no privileges required, but user interaction is needed. The impact is limited to availability (denial of service) without affecting confidentiality or integrity.

Potential Impact

An attacker can cause Safari to crash by delivering specially crafted web content, resulting in denial of service for the user. There is no impact on confidentiality or integrity of data. No known exploits are reported in the wild.

Mitigation Recommendations

This vulnerability is fixed in Safari 26.6.1, iOS 18.7.10, iPadOS 18.7.10, macOS Tahoe 26.6.2, and visionOS 27. Users and administrators should update to these versions or later to remediate the issue.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-07-22T00:45:26.179Z
State
PUBLISHED

Threat ID: 6a838036bf8831d5399e5e86

Added to database: 08/17/2026, 21:42:14 UTC

Last enriched: 09/19/2026, 00:52:45 UTC

Last updated: 10/02/2026, 03:09:54 UTC

Views: 50

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