CVE-2026-65390
published 2026-09-14CVE-2026-65390: An integer overflow was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS…
PriorityP346high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.41%
34.4th percentile
An integer overflow was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 26.6.1 | 26.6.1 |
| apple | ipados | < 26.6.1 | 26.6.1 |
| apple | iphone_os | < 26.6.1 | 26.6.1 |
| apple | macos | < 26.6.2 | 26.6.2 |
| apple | safari | < 26.6.1 | 26.6.1 |
| 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 |
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VulDB
Apple iOS/iPadOS/macOS/Safari/tvOS/visionOS/watchOS prior 27 integer overflow
vuldb·2026-09-20·CVSS 8.8
CVE-2026-65390 [HIGH] Apple iOS/iPadOS/macOS/Safari/tvOS/visionOS/watchOS prior 27 integer overflow
A vulnerability was found in Apple iOS, iPadOS, macOS, Safari, tvOS, visionOS and watchOS. It has been rated as very critical. This affects an unknown function. Performing a manipulation results in integer overflow.
This vulnerability is identified as CVE-2026-65390. The attack can be initiated remotely. There is not any exploit available.
Upgrading the affected component is advised.
GHSA
An integer overflow was addressed with improved input validation.
ghsa_unreviewed·2026-09-14
CVE-2026-65390 [HIGH] CWE-190 An integer overflow was addressed with improved input validation.
An integer overflow was addressed with improved input validation. This issue is fixed in Safari 26.6.1, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.
No detection rules found.
No public exploits indexed.
2026-09-14
Published