CVE-2026-20678
MEDIUMCVSS 5.5/10EPSS 0.12%
Last modified
CVE-2026-20678 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
Description
An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
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 |
References
- https://support.apple.com/en-us/126346Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126347Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-20678?
An authorization issue was addressed with improved state management. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data.
How severe is CVE-2026-20678?
CVE-2026-20678 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20678?
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-2026-20678?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST