Vulnerability · Published Mar 25, 2026 · Assigned by apple
CVE-2026-20686
Medium 5.3
In plain English
A medium-severity improper input validation 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 0.2% (higher than 10% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 90.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
This issue was addressed with improved input validation. This issue is fixed in iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | iOS and iPadOS | 0 – before 26.3 |
Weakness: CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N