What iOS 18.1.1 Fixes
iOS 18.1.1 and iPadOS 18.1.1, released November 19, 2024, fixes 2 vulnerabilities in 2 parts of the system, according to Apple's security advisory.
Apple does not say that any of them were exploited before the fix. That makes iOS 18.1.1 a routine security update: worth installing soon, not an emergency.
It has since been superseded: the newest security release for iOS 18 is iOS 18.7.11 and iPadOS 18.7.11, from October 26, 2026, which includes these fixes.
| What an attacker could do | Fixes |
|---|---|
| Run code | 1 |
| Other | 1 |
Grouped by us from the impact Apple gives for each fix; the impact lines below are Apple's own.
Which Devices Get iOS 18.1.1
Apple lists iOS 18.1.1 and iPadOS 18.1.1 for: iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later.
How to Install iOS 18.1.1
On the iPhone, open Settings → General → Software Update. If more than one update is offered, the one with the higher version number is the current release; the other is for people who want to stay on the previous major version.
Security fixes are cumulative: any later release for the same version includes these as well, so if you are already past iOS 18.1.1 there is nothing to do.
Every Fix in iOS 18.1.1
All 2 CVEs in Apple's advisory, the most serious kinds first. Each entry is the part of the system affected, Apple's description of the impact and the fix, and the CVE ID.
-
JavaScriptCore
Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.
The issue was addressed with improved checks.
CVE-2024-44308 -
WebKit
Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.
A cookie management issue was addressed with improved state management.
CVE-2024-44309
iOS 18 Security Release History
iOS 18.1.1 in context: the security releases Apple has published for iOS 18, newest first, with the number of fixes each carried.
| Release | Released | Fixes |
|---|---|---|
| iOS 18.4 | March 31, 2025 | 78 |
| iOS 18.3.2 | March 11, 2025 | 1 Exploited |
| iOS 18.3.1 | February 10, 2025 | 2 Exploited |
| iOS 18.3 | January 27, 2025 | 40 |
| iOS 18.2 | December 11, 2024 | 41 |
| iOS 18.1.1 | November 19, 2024 | 2 |
| iOS 18.1 | October 28, 2024 | 44 |
| iOS 18.0.1 | October 3, 2024 | 2 |
| iOS 18 | September 16, 2024 | 48 |
The Same Fixes Elsewhere
Apple ships most fixes to every platform that shares the code, and to older versions still under support. These releases close at least one of the same CVEs:
Frequently Asked Questions
What does iOS 18.1.1 fix?
2 security vulnerabilities in 2 parts of the system, from Apple's advisory of November 19, 2024. 1 could have let an attacker run code.
Was anything fixed in iOS 18.1.1 exploited?
Apple does not say so for any of the 2 fixes.
Which devices can install iOS 18.1.1?
iPhone XS and later, iPad Pro 13-inch, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 7th generation and later, and iPad mini 5th generation and later.
Is iOS 18.1.1 the latest security update?
No. iOS 18.7.11 and iPadOS 18.7.11, from October 26, 2026, is newer and includes these fixes.
Source: About the security content of iOS 18.1.1 and iPadOS 18.1.1, Apple. Rechecked automatically while Apple is still adding entries.