CVE-2026-84507
published 2026-09-14CVE-2026-84507: A race condition was addressed with improved state handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS…
PriorityP339high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.13%
2.5th percentile
A race condition was addressed with improved state handling. 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, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.7 | 26.7 |
| apple | ios_and_ipados | < 27 | 27 |
| apple | ipados | < 26.7 | 26.7 |
| apple | iphone_os | < 26.7 | 26.7 |
| apple | macos | < 15.8 | 15.8 |
| apple | macos | < 26.7 | 26.7 |
| apple | macos | < 27 | 27 |
| apple | macos | >= 15.0 < 15.8 | 15.8 |
| apple | macos | >= 26.0 < 26.7 | 26.7 |
| apple | tvos | < 27 | 27 |
| apple | tvos | < 27.0 | 27.0 |
| apple | visionos | < 27 | 27 |
| apple | visionos | < 27.0 | 27.0 |
| apple | watchos | < 27 | 27 |
| apple | watchos | < 27.0 | 27.0 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
VulDB
Apple iPadOS/iOS/macOS/tvOS/visionOS/watchOS prior 15.8/26.7/27 race condition
vuldb·2026-09-19·CVSS 7.8
CVE-2026-84507 [HIGH] Apple iPadOS/iOS/macOS/tvOS/visionOS/watchOS prior 15.8/26.7/27 race condition
A vulnerability categorized as critical has been discovered in Apple iPadOS, iOS, macOS, tvOS, visionOS and watchOS. The impacted element is an unknown function. Executing a manipulation can lead to race condition.
The identification of this vulnerability is CVE-2026-84507. The attack can only be executed locally. There is no exploit available.
It is advisable to upgrade the affected component.
GHSA
A race condition was addressed with improved state handling.
ghsa_unreviewed·2026-09-14
CVE-2026-84507 A race condition was addressed with improved state handling.
A race condition was addressed with improved state handling. 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, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.
No detection rules found.
No public exploits indexed.
https://support.apple.com/en-us/149034https://support.apple.com/en-us/149035https://support.apple.com/en-us/149036https://support.apple.com/en-us/149037https://support.apple.com/en-us/149038https://support.apple.com/en-us/149041https://support.apple.com/en-us/149042https://support.apple.com/en-us/149043
2026-09-14
Published