CVE-2026-84507: Apple iOS and iPadOS · Race Condition
Affects Apple iOS and iPadOSSource CVE Database V5
Not known to be exploited · CVSS 7.8 High : upgrade to 27 or 26.7 soon.
Data as of 30 Oct 2026, 12:04 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 7.8 |
|---|
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 27, 26.7, 15.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 14 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade iOS and iPadOS to 27 or 26.7; macOS to 27, 26.7 or 15.8; tvOS and visionOS and watchOS to 27.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
| AppletvOS | Affected
| Fixed in
|
AI-suggested
Apply the official fixes provided by Apple by upgrading to iOS 26.7 or later, iPadOS 26.7 or later, macOS Sequoia 15.8 or later, macOS Golden Gate 27 or later, macOS Tahoe 26.7 or later, and the corresponding versions of tvOS, visionOS, and watchOS. These updates contain the improved state handling that resolves the race condition.
Description
CVE-2026-84507 is a race condition vulnerability in Apple iOS, iPadOS, and macOS that could allow an app to cause unexpected system termination or corrupt kernel memory. The issue has been addressed with improved state handling and fixed in 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.
References
- support.apple.com/en-us/149034 (opens in a new tab)
- support.apple.com/en-us/149035 (opens in a new tab)
- support.apple.com/en-us/149036 (opens in a new tab)
- support.apple.com/en-us/149037 (opens in a new tab)
- support.apple.com/en-us/149038 (opens in a new tab)
- support.apple.com/en-us/149041 (opens in a new tab)
- support.apple.com/en-us/149042 (opens in a new tab)
- support.apple.com/en-us/149043 (opens in a new tab)