CVE-2026-20634

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted image may result in disclosure of process memory.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected software

VendorProductVersions
AppleiOS and iPadOS< 18.7.5; < 26.3
ApplemacOS< 14.8.4; < 15.7.4; < 26.3
AppletvOS< 26.3
ApplevisionOS< 26.3
ApplewatchOS< 26.3

References

Timeline

Published
Feb 11, 2026
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2026-20634: Medium severity, CVSS 5.5 | Vulnix