Vulnerability · Published Mar 25, 2026 · Assigned by apple

CVE-2026-20688

Critical 9.3

In plain English

A critical-severity path traversal in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)9.3Critical
Exploit odds (30 days)0.3%top 78.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A path handling issue was addressed with improved validation. This issue is fixed in iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4. An app may be able to break out of its sandbox.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS 0 – before 26.4
Apple macOS 0 – before 14.8.50 – before 15.7.50 – before 26.4
Apple visionOS 0 – before 26.4

Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References