CVE-2026-20677CWE-362CWE-367

CVE-2026-20677

Critical · published February 12, 2026

CVSS v3.1

9.0

EPSS

Percentile

23.3

In the wild

Unconfirmed

What it is

A race condition was addressed with improved handling of symbolic links. 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, visionOS 26.3. A shortcut may be able to bypass sandbox restrictions.

The record

Technical detail

CVSS v3.1: 9.0 · CRITICAL
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0: Not supplied
EPSS: 0.00316 · 23.3th percentile
Weaknesses: CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'); CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published: 2026-02-12T04:16Z

Affected products (7)

Product	Versions	Fixed in
apple/ipados	< 18.7.5	18.7.5
apple/ipados	≥ 26.0, < 26.3	26.3
apple/iphone_os	< 18.7.5	18.7.5
apple/iphone_os	≥ 26.0, < 26.3	26.3
apple/macos	< 14.8.4	14.8.4
apple/macos	≥ 26.0, < 26.3	26.3
apple/visionos	< 26.3	26.3

References (6)

https://support.apple.com/en-us/126346 · [email protected]https://support.apple.com/en-us/126347 · [email protected]https://support.apple.com/en-us/126348 · [email protected]https://support.apple.com/en-us/126349 · [email protected]https://support.apple.com/en-us/126350 · [email protected]https://support.apple.com/en-us/126353 · [email protected]

EPSS history

Timeline

11 FEB 22:58Z
A race condition was addressed with improved handling of symbolic links
cvelistv5