CVE-2026-20677

Name: CVE-2026-20677
Creator: NVD / NIST
Published: 2026-02-11T23:16:10.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2026-20677 is a critical-severity vulnerability rated 9/10 on the CVSS scale. 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. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9/10

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

EPSS Probability

0.26%

17.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apple	Ipados	< 18.7.5
Apple	Ipados	>= 26.0, < 26.3
Apple	Iphone Os	< 18.7.5
Apple	Iphone Os	>= 26.0, < 26.3
Apple	Macos	< 14.8.4
Apple	Macos	>= 26.0, < 26.3
Apple	Visionos	< 26.3

References

https://support.apple.com/en-us/126346Release Notes, Vendor Advisory
https://support.apple.com/en-us/126347Release Notes, Vendor Advisory
https://support.apple.com/en-us/126348Release Notes, Vendor Advisory
https://support.apple.com/en-us/126350Release Notes, Vendor Advisory
https://support.apple.com/en-us/126353Release Notes, Vendor Advisory

Timeline

Published: Feb 11, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-20677?

How severe is CVE-2026-20677?

CVE-2026-20677 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2026-20677?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-20677?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST