CVE-2026-43659

MediumCVSS 4.7/10Last modified Oct 25, 2026

Description

A race condition was addressed with additional validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, visionOS 26.5. An app may be able to access sensitive user data.

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

VendorProductVersions
AppleiOS and iPadOS< 18.7.9; < 26.5
ApplemacOS< 14.8.7; < 15.7.7; < 26.5
ApplevisionOS< 26.5

References

Timeline

Published
May 11, 2026
Last modified
Oct 25, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-43665.8A flaw was identified in Keycloak, an identity and access management solution, where it improperly follows HTTP redirects when processing ceCVE-2026-436607.5A validation issue was addressed with improved logic. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS CVE-2026-436617.5A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPaCVE-2026-436636.5The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and CVE-2026-436645.5This issue was addressed with improved data protection. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden CVE-2026-436655.5This issue was addressed with additional entitlement checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A local attacCVE-2026-436666.2An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and CVE-2026-436676.5A reachable assertion was addressed with improved input validation. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadCVE-2026-436687.5A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadCVE-2026-43675.5A flaw was found in libXpm. A local user with low privileges could exploit an Out-of-Bounds Read vulnerability in the `xpmNextWord()` functiCVE-2026-436708.8A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 1CVE-2026-436727.1An authorization issue was addressed with improved state management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS
CVE-2026-43659: Medium severity, CVSS 4.7 | Vulnix