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CVE-2026-86879: A remote attacker may be able to cause a denial-of-service in Apple iOS and iPadOS

0
Medium
Published: 09/14/2026 (09/14/2026, 21:31:55 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: iOS and iPadOS

Description

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27. A remote attacker may be able to cause a denial-of-service.

CVSS v3.1

Score 6.5medium

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

Affected software

Apple

iOS and iPadOS

Affected versions
>=0 <27

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/14/2026, 21:32:48 UTC

Technical Analysis

CVE-2026-86879 is a denial-of-service vulnerability in Apple iOS and iPadOS. The flaw could allow a remote attacker to cause a denial-of-service condition by exploiting insufficient input validation. Apple fixed this issue in versions iOS 27 and iPadOS 27 by improving input validation mechanisms.

Potential Impact

A remote attacker may cause a denial-of-service on affected Apple iOS and iPadOS devices, potentially disrupting normal device operation or availability until the device is restarted or otherwise recovered.

Mitigation Recommendations

Update Apple iOS and iPadOS to version 27 or later, where the vulnerability has been fixed with improved input validation. No other mitigation is indicated.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-09-08T16:43:41.871Z
State
PUBLISHED

Threat ID: 6aa8611655bf5e2cf59d2f7a

Added to database: 09/14/2026, 21:03:18 UTC

Last enriched: 09/14/2026, 21:32:48 UTC

Last updated: 09/15/2026, 03:17:52 UTC

Views: 5

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