CVE-2026-20677

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-20677
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 Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A shortcut may be able to bypass sandbox restrictions.

9.0 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References
Link Resource
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
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
History

02 Apr 2026, 19:21

Type Values Removed Values Added
Summary
  • (es) Se abordó una condición de carrera con una gestión mejorada de los enlaces simbólicos. Este problema se solucionó en macOS Tahoe 26.3, macOS Sonoma 14.8.4, iOS 18.7.5 y iPadOS 18.7.5, visionOS 26.3, iOS 26.3 y iPadOS 26.3. Un atajo podría eludir las restricciones de sandbox.
Summary (en) A race condition was addressed with improved handling of symbolic links. 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. A shortcut may be able to bypass sandbox restrictions. (en) 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 Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A shortcut may be able to bypass sandbox restrictions.

17 Feb 2026, 16:20

Type Values Removed Values Added
CWE CWE-367

12 Feb 2026, 18:37

Type Values Removed Values Added
First Time Apple iphone Os
Apple visionos
Apple ipados
Apple
Apple macos
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.0
CWE CWE-362
CPE cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
References () https://support.apple.com/en-us/126346 - () https://support.apple.com/en-us/126346 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126347 - () https://support.apple.com/en-us/126347 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126348 - () https://support.apple.com/en-us/126348 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126350 - () https://support.apple.com/en-us/126350 - Release Notes, Vendor Advisory
References () https://support.apple.com/en-us/126353 - () https://support.apple.com/en-us/126353 - Release Notes, Vendor Advisory

11 Feb 2026, 23:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-11 23:16

Updated : 2026-04-02 19:21

NVD link : CVE-2026-20677

Mitre link : CVE-2026-20677

CVE.ORG link : CVE-2026-20677

JSON object : View

Products Affected

apple

  • iphone_os
  • ipados
  • visionos
  • macos
CWE
CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition