CVE-2026-84566: A local attacker may be able to cause unexpected system termination or corrupt kernel memory in Apple iOS and iPadOS
A local attacker can cause unexpected system termination or corrupt kernel memory on Apple iOS and iPadOS devices due to a memory handling issue. This vulnerability affects versions prior to iOS and iPadOS 26.7 and 27, as well as certain macOS versions. The issue has been fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
AI Analysis
Technical Summary
CVE-2026-84566 is a vulnerability in Apple iOS and iPadOS where improper memory handling allows a local attacker to cause unexpected system termination or corrupt kernel memory. The flaw affects versions before iOS and iPadOS 26.7 and 27, and macOS versions Golden Gate 27, Sequoia 15.8, and Tahoe 26.7. Apple addressed this issue by improving memory handling in the specified fixed versions.
Potential Impact
Successful exploitation allows a local attacker to cause system crashes or kernel memory corruption, potentially leading to denial of service or system instability. There is no indication of remote exploitation or data breach from the provided information.
Mitigation Recommendations
Apply the official patches by upgrading to iOS and iPadOS 26.7 or later, iOS and iPadOS 27 or later, macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions include improved memory handling that fixes the vulnerability.
CVE-2026-84566: A local attacker may be able to cause unexpected system termination or corrupt kernel memory in Apple iOS and iPadOS
Description
A local attacker can cause unexpected system termination or corrupt kernel memory on Apple iOS and iPadOS devices due to a memory handling issue. This vulnerability affects versions prior to iOS and iPadOS 26.7 and 27, as well as certain macOS versions. The issue has been fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, and macOS Tahoe 26.7.
Affected software
Apple
iOS and iPadOS
Apple
macOS
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-84566 is a vulnerability in Apple iOS and iPadOS where improper memory handling allows a local attacker to cause unexpected system termination or corrupt kernel memory. The flaw affects versions before iOS and iPadOS 26.7 and 27, and macOS versions Golden Gate 27, Sequoia 15.8, and Tahoe 26.7. Apple addressed this issue by improving memory handling in the specified fixed versions.
Potential Impact
Successful exploitation allows a local attacker to cause system crashes or kernel memory corruption, potentially leading to denial of service or system instability. There is no indication of remote exploitation or data breach from the provided information.
Mitigation Recommendations
Apply the official patches by upgrading to iOS and iPadOS 26.7 or later, iOS and iPadOS 27 or later, macOS Golden Gate 27, macOS Sequoia 15.8, or macOS Tahoe 26.7. These versions include improved memory handling that fixes the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-01T21:13:17.754Z
- State
- PUBLISHED
Threat ID: 6aa8610b55bf5e2cf59d2bf3
Added to database: 09/14/2026, 21:03:07 UTC
Last enriched: 09/14/2026, 22:33:28 UTC
Last updated: 09/15/2026, 06:01:23 UTC
Views: 3
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