CVE-2026-65415: Apple iPadOS Race Condition Vulnerability

CVE-2026-65415 Overview

CVE-2026-65415 is a race condition vulnerability [CWE-362] affecting multiple Apple operating systems. Apple addressed the flaw with additional validation logic in the affected code paths. A local user exploiting this race window can cause unexpected system termination or read kernel memory contents.

The issue impacts iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Apple resolved the vulnerability in iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, and watchOS 27.

Critical Impact
Successful exploitation allows a local attacker to read arbitrary kernel memory or trigger a kernel panic, exposing sensitive system data and undermining kernel isolation.

Affected Products

Apple iOS and iPadOS (versions prior to 27)
Apple macOS (versions prior to Golden Gate 27)
Apple tvOS, visionOS, and watchOS (versions prior to 27)

Discovery Timeline

2026-09-14 - CVE-2026-65415 published to the National Vulnerability Database (NVD)
2026-09-16 - Last updated in NVD database

Technical Details for CVE-2026-65415

Vulnerability Analysis

CVE-2026-65415 is a race condition classified under [CWE-362]: Concurrent Execution using Shared Resource with Improper Synchronization. Apple's advisories confirm the fix adds validation logic to close a timing window that previously allowed unsafe access to shared kernel state.

A local user on an affected Apple device can trigger the race and either destabilize the kernel or extract memory contents that should remain isolated from user-space processes. Kernel memory disclosure can expose cryptographic keys, pointers useful for bypassing address space layout randomization (ASLR), and other sensitive runtime data.

Because the flaw spans Apple's shared kernel codebase, the same defect is present across iOS, iPadOS, macOS, tvOS, visionOS, and watchOS.

Root Cause

The root cause is missing synchronization between concurrent code paths that access shared kernel resources. Without proper validation, one execution context can observe or modify state that another context assumes is stable. Apple's fix introduces additional validation checks to enforce a consistent view of the shared state before it is used.

Attack Vector

Exploitation requires local code execution on the target device and user interaction, according to the CVSS vector metadata. An attacker typically delivers a crafted application or leverages an existing foothold to repeatedly race the vulnerable kernel path. Successful races yield kernel memory reads or terminate the system, which can be chained with other vulnerabilities to escalate privileges.

No public proof-of-concept code, ExploitDB entry, or CISA Known Exploited Vulnerabilities (KEV) listing exists for CVE-2026-65415 at publication. Refer to the Apple Support advisories for component-level technical details.

Detection Methods for CVE-2026-65415

Indicators of Compromise

Unexpected kernel panics or spontaneous device reboots on Apple endpoints running pre-27 OS builds.
Panic logs referencing race-condition faults, invalid memory reads, or synchronization assertions in kernel subsystems.
Installation of unsigned or unexpected applications immediately preceding system instability events.

Detection Strategies

Inventory managed Apple devices and flag any running iOS, iPadOS, macOS, tvOS, visionOS, or watchOS versions below the 27 baseline.
Collect and centralize panic.ips and diagnostic reports from macOS endpoints for review of recurring kernel faults.
Correlate application installation events with subsequent system termination events to identify potential exploitation attempts.

Monitoring Recommendations

Forward Apple endpoint telemetry, including crash and panic logs, to a centralized analytics platform for longitudinal analysis.
Monitor mobile device management (MDM) compliance dashboards for devices that fall out of patch compliance for OS version 27.
Alert on repeated kernel panics from the same device or user, which may indicate iterative race exploitation attempts.

How to Mitigate CVE-2026-65415

Immediate Actions Required

Update all Apple devices to iOS 27, iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, and watchOS 27 without delay.
Enforce patch deployment through MDM policies and block noncompliant devices from accessing sensitive corporate resources.
Restrict installation of unsigned or unvetted applications, which represent the primary local delivery vector.

Patch Information

Apple has published fixes across all affected operating systems. Refer to the vendor advisories for build numbers and detailed change notes: Apple Support Document 149034, 149035, 149036, 149037, and 149038.

Workarounds

No vendor-supplied workaround exists; apply the OS updates to remediate the vulnerability.
As a compensating control, limit local user access on shared macOS systems and enforce application allowlisting via MDM.
Enable automatic updates on managed Apple devices to reduce exposure windows for future kernel-level issues.

bash

# Example: verify macOS build version against patched baseline
sw_vers -productVersion
sw_vers -buildVersion

# Example: query iOS/iPadOS device compliance via MDM (pseudocode)
# mdm-cli query --os-version-below "27" --report noncompliant