Vulnerability details
CVE-2026-64720
Apple iOS and iPadOSApple macOSApple tvOSApple watchOS
CVSS 3.1
9.8Critical
Official description
A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CISA ADP / Vulnrichment (CISA-ADP) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Apple | iOS and iPadOS | v < 26.6 | CVEProject cvelistV5 (CNA) |
| Apple | macOS | v < 26.6 | CVEProject cvelistV5 (CNA) |
| Apple | tvOS | v < 26.6 | CVEProject cvelistV5 (CNA) |
| Apple | watchOS | v < 26.6 | CVEProject cvelistV5 (CNA) |
References and advisories
4
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Details
- Published
- 2026-07-27
- Last updated
- 2026-07-28
- State
- Published
- Assigner (CNA)
- apple
Exploit prediction (EPSS)
0.46%
Probability of exploitation in 30 days
40.7%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')