CVE-2026-64779

3.1 LOW 0.4% exploit odds Fix listed Denial of service Browser & mail

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-08-17 22:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-14 21:17 UTC Last updatedMost recent change to the record

Details

Published: 2026-08-17 22:17 UTC
Last modified: 2026-09-14 21:17 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-362 · Race condition
Record status: Modified

Affected

Apple Ipados < 18.7.10
Apple Ipados < 26.6.1
Apple Iphone Os < 18.7.10
Apple Iphone Os < 26.6.1
Apple macOS < 26.6.2

Attack profile CVSS 3.1 · 3.1

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: Low

Raw vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record