CVE-2026-20660

HIGH

macOS Tahoe <26.3 - Info Disclosure

Title source: llm

Description

A path handling issue was addressed with improved logic. This issue is fixed in macOS Tahoe 26.3, macOS Sonoma 14.8.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3, Safari 26.3. A remote user may be able to write arbitrary files.

References (6)

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126346

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126347

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126348

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126350

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126353

[Release Notes, Vendor Advisory] https://support.apple.com/en-us/126354

Scores

CVSS v3 7.5

EPSS 0.0005

EPSS Percentile 16.1%

Attack Vector NETWORK

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

Classification

CWE

CWE-22

Status published

Affected Products (5)

apple/safari < 26.3

apple/ipados < 18.7.5

apple/iphone_os < 18.7.5

apple/macos < 14.8.4

apple/visionos < 26.3

Timeline

Published Feb 11, 2026

Tracked Since Feb 18, 2026