CVE-2026-86876: A sandboxed process may be able to circumvent sandbox restrictions in Apple iOS and iPadOS
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, watchOS 27. A sandboxed process may be able to circumvent sandbox restrictions.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds write that was mitigated by enhanced bounds checking in Apple operating systems. A sandboxed process, which normally operates with restricted permissions, may exploit this flaw to bypass sandbox restrictions. The issue affects iOS and iPadOS versions prior to 26.7 and 27, and macOS versions prior to 15.8 and 26.7, among others. Apple has released fixes in iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, and watchOS 27.
Potential Impact
A sandboxed process could circumvent sandbox restrictions, potentially allowing it to perform actions beyond its intended limited permissions. This could lead to unauthorized access or modification of system resources or data within the affected Apple operating systems.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, and watchOS 27. Users and administrators should apply these updates promptly to remediate the vulnerability.
CVE-2026-86876: A sandboxed process may be able to circumvent sandbox restrictions in Apple iOS and iPadOS
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, watchOS 27. A sandboxed process may be able to circumvent sandbox restrictions.
CVSS v3.1
Score 5.2medium
Affected software
Apple
iOS and iPadOS
Apple
macOS
Apple
visionOS
Apple
watchOS
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds write that was mitigated by enhanced bounds checking in Apple operating systems. A sandboxed process, which normally operates with restricted permissions, may exploit this flaw to bypass sandbox restrictions. The issue affects iOS and iPadOS versions prior to 26.7 and 27, and macOS versions prior to 15.8 and 26.7, among others. Apple has released fixes in iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, and watchOS 27.
Potential Impact
A sandboxed process could circumvent sandbox restrictions, potentially allowing it to perform actions beyond its intended limited permissions. This could lead to unauthorized access or modification of system resources or data within the affected Apple operating systems.
Mitigation Recommendations
Apple has released official fixes for this vulnerability in iOS 26.7, iPadOS 26.7, iOS 27, iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27, and watchOS 27. Users and administrators should apply these updates promptly to remediate the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apple
- Date Reserved
- 2026-09-08T16:43:41.871Z
- State
- PUBLISHED
Threat ID: 6aa8611655bf5e2cf59d2f78
Added to database: 09/14/2026, 21:03:18 UTC
Last enriched: 09/14/2026, 21:32:56 UTC
Last updated: 09/15/2026, 04:01:22 UTC
Views: 54
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