Chrome zero‑day attack vulnerability addressed
Apple’s newest updates—iOS 18.6, iPadOS 18.6, and macOS Sequoia 15.6—promptly address a serious chrome zero‑day attack vulnerability that had been actively exploited. If you’ve searched “chrome zero‑day attack fix on Apple devices,” you’re in the right place. In less than 100 words: Apple released these security updates to patch CVE‑2025‑6558, a vulnerability in open‑source code shared with Chrome that allowed remote attackers to execute arbitrary code by bypassing Chrome’s sandbox. Whether you use Chrome or Safari on your Apple device, installing the latest updates is critical to protect your system.
iOS 18.6 and Chrome zero‑day attack: What you need to know
The chrome zero‑day attack tracked as CVE‑2025‑6558 was first patched by Google on July 15, 2025, due to active exploitation . Apple confirmed the same vulnerability appeared in its shared codebase, leading to unexpected crashing in Safari and more serious risk in Chrome because of Chrome’s sandbox escape. Users were advised to update Chrome immediately if they hadn’t already. These updates ensure Apple devices are now protected from this critical zero‑day threat.
macOS Sequoia 15.6 and the chrome zero‑day attack patch
With macOS Sequoia 15.6, Apple addressed the same vulnerability. The chrome zero‑day attack could affect macOS systems when using Chrome—or indirectly through Safari instability—even though Apple hadn’t observed direct exploitation against Safari users. By including the patch in Sequoia 15.6, Apple removes any risk that remains if you run Chrome. This is especially important for Mac users who rely on browser sandboxing to isolate threats.
Why you must install these updates now
Protecting yourself from a known chrome zero‑day attack means updating both Chrome and your Apple operating system. Even if you primarily use Safari, the vulnerability stemmed from shared open‑source code, so Apple’s patches are essential. Experience counts too: Apple quickly responded to a publicly exploited vulnerability once recognized. The straightforward experience of keeping your device safe begins with a simple update.
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