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CVE-2026-86957: An attacker in wireless proximity may be able to cause unexpected system termination in Apple iOS and iPadOS

0
Medium
VulnerabilityCVE-2026-86957cvecve-2026-86957
Published: 10/20/2026 (10/20/2026, 00:50:55 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: iOS and iPadOS

Description

CVE-2026-86957 is a vulnerability in Apple iOS and iPadOS where an attacker in wireless proximity may cause unexpected system termination due to an out-of-bounds read. The issue has been fixed in iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, and related Apple operating systems. This vulnerability allows denial of service via system crashes but does not indicate code execution or data compromise.

Affected software

Apple

iOS and iPadOS

Affected versions
>=0 <26.7>=0 <27

Apple

macOS

Affected versions
>=0 <15.8>=0 <26.7>=0 <27

Apple

tvOS

Affected versions
>=0 <27

Apple

visionOS

Affected versions
>=0 <27

Apple

watchOS

Affected versions
>=0 <27

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/20/2026, 01:33:58 UTC

Technical Analysis

This vulnerability involves an out-of-bounds read in Apple iOS and iPadOS that could be triggered by an attacker in wireless proximity, causing unexpected system termination (crash). Apple addressed the issue by improving bounds checking. The fix is included in iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.

Potential Impact

An attacker within wireless proximity can cause the affected Apple devices to unexpectedly terminate, resulting in denial of service. There is no indication of further impact such as privilege escalation or data leakage.

Mitigation Recommendations

Apply the official fixes by updating to iOS 26.7 or later, iPadOS 26.7 or later, or the corresponding fixed versions of other Apple operating systems as listed. These updates include improved bounds checking that resolves the out-of-bounds read vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-09-08T16:43:41.881Z
State
PUBLISHED

Threat ID: 6ad6c19f2cdf04f656e4a8ca

Added to database: 10/20/2026, 01:19:27 UTC

Last enriched: 10/20/2026, 01:33:58 UTC

Last updated: 10/20/2026, 01:34:17 UTC

Views: 6

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