CVE-2026-20660

Name: CVE-2026-20660
Creator: NVD / NIST
Published: 2026-02-11T23:16:08.62+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2026-20660 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A path handling issue was addressed with improved logic. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

A path handling issue was addressed with improved logic. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A remote user may be able to write arbitrary files.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.78%

51.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Apple	Safari	< 26.3
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
https://support.apple.com/en-us/126354Release Notes, Vendor Advisory
https://support.apple.com/en-us/126795

Timeline

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

Frequently Asked Questions

What is CVE-2026-20660?

How severe is CVE-2026-20660?

CVE-2026-20660 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2026-20660?

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-2026-20660?

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

Scan your code now

Source: NVD / NIST