Vulnerability details
CVE-2026-43809
Apple iOS and iPadOSApple macOS
CVSS 3.1
9.8Critical
Official description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 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 < 18.7.10 | CVEProject cvelistV5 (CNA) |
| Apple | macOS | v < 14.8.8 | CVEProject cvelistV5 (CNA) |
| Apple | macOS | v < 15.7.8 | CVEProject cvelistV5 (CNA) |
| Apple | macOS | v < 26.6 | CVEProject cvelistV5 (CNA) |
References and advisories
4
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Details
- Published
- 2026-07-27
- Last updated
- 2026-08-18
- State
- Published
- Assigner (CNA)
- apple
Exploit prediction (EPSS)
0.6%
Probability of exploitation in 30 days
49.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-125Out-of-bounds Read