Vulnerability · Published Aug 17, 2026 · Assigned by apple

CVE-2026-64779

Low 3.1

In plain English

A low-severity race condition in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.4%top 68.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A memory corruption vulnerability was addressed with improved locking. 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, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12webkit2gtkno fix listedDEBIAN-CVE-2026-64779
Debian:13webkit2gtk2.54.0-1~deb13u1DEBIAN-CVE-2026-64779
Debian:14webkit2gtkno fix listedDEBIAN-CVE-2026-64779
Debian:12wpewebkitno fix listedDEBIAN-CVE-2026-64779
Debian:13wpewebkitno fix listedDEBIAN-CVE-2026-64779
Debian:14wpewebkit2.54.0-1DEBIAN-CVE-2026-64779

Affected products (as reported)

VendorProductVersions
Apple Safari 0 – before 26.6.1
Apple iOS and iPadOS 0 – before 18.7.100 – before 26.6.1
Apple macOS 0 – before 26.6.2
Apple visionOS 0 – before 27

Weakness: CWE-362 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

References