CVE-2026-64783

HIGH 8.8CVE-2026-64783 · Published 27/07/2026 · updated 28/07/2026

In short

CVE-2026-64783 is a HIGH (CVSS 8.8) vulnerability affecting safari (apple).
Chance of exploitation in the next 30 days (EPSS): 0.43%, higher than 37.1% of all vulnerabilities.
Fix: update to 26.6 or later.

Package	Affected versions	Patched versions
safari apple	`< 26.6`	`26.6`

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

References

support.apple.com/en-us/128066 · Release Notes
support.apple.com/en-us/128067 · Release Notes
support.apple.com/en-us/128068 · Release Notes
support.apple.com/en-us/128070 · Release Notes
support.apple.com/en-us/128073 · Release Notes

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Package

Affected versions

Patched versions

safari

apple

< 26.6

26.6

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