CVE-2026-64778 Information disclosure in Safari
Visiting a maliciously crafted website may leak sensitive data, affecting users of Apple Safari and related operating systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-64778?
CVE-2026-64778 is a medium-severity vulnerability in Apple Ipados, published on 17 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, tvOS 27, visionOS 27, watchOS 27. Visiting a maliciously crafted website may leak sensitive data.
Weakness: CWE-200
Which versions are affected by CVE-2026-64778?
It affects 4 products.
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari.
How do I fix CVE-2026-64778?
Upgrade to a fixed version.
Is CVE-2026-64778 being exploited?
There is no known exploitation of CVE-2026-64778 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as DEBIAN-CVE-2026-64778, ECHO-d8ef-090a-ba20, GHSA-p6cw-hc3p-cxhh.