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CVE-2026-84507: An app may be able to cause unexpected system termination or corrupt kernel memory in Apple iOS and iPadOS

0
High
VulnerabilityCVE-2026-84507cvecve-2026-84507
Published: 09/14/2026 (09/14/2026, 20:48:41 UTC)
Source: CVE Database V5
Vendor/Project: Apple
Product: iOS and iPadOS

Description

A race condition vulnerability in Apple iOS and iPadOS could allow an app to cause unexpected system termination or corrupt kernel memory. This issue affects versions prior to iOS and iPadOS 26.7 and 27, as well as macOS versions prior to 15.8 and related Apple operating systems. The vulnerability has been addressed with improved state handling in the specified fixed versions.

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: 09/14/2026, 22:29:49 UTC

Technical Analysis

CVE-2026-84507 is a race condition vulnerability in Apple iOS, iPadOS, and related Apple operating systems that could allow a malicious app to cause unexpected system termination or corrupt kernel memory. The issue was resolved by Apple through improved state handling. Fixed versions include iOS 26.7 and 27, iPadOS 26.7 and 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, and watchOS 27.

Potential Impact

An attacker with the ability to run a malicious app on affected Apple devices could cause the system to terminate unexpectedly or corrupt kernel memory, potentially leading to system instability or crashes. There is no indication of active exploitation in the wild at this time.

Mitigation Recommendations

Apple has released official fixes for this vulnerability in iOS 26.7 and later, iPadOS 26.7 and later, macOS Sequoia 15.8 and later, and other related OS versions. Users and administrators should update to these fixed versions to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.

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Technical Details

Data Version
5.2
Assigner Short Name
apple
Date Reserved
2026-09-01T21:13:17.748Z
State
PUBLISHED

Threat ID: 6aa8610255bf5e2cf59d2836

Added to database: 09/14/2026, 21:02:58 UTC

Last enriched: 09/14/2026, 22:29:49 UTC

Last updated: 09/15/2026, 03:01:23 UTC

Views: 4

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