CVE-2026-64705

5.5 MEDIUM 0.2% exploit odds Fix listed Memory safety OS & kernel

What it is

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.6. An app may be able to cause unexpected system termination or write kernel memory.

At a glance

Exploitability: Can be exploited locally on the machine with a low-privilege account. High risk of service disruption.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-08-25 20:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-14 21:17 UTC Last updatedMost recent change to the record

Details

Published: 2026-08-25 20:17 UTC
Last modified: 2026-09-14 21:17 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-120 · Classic buffer overflow
Record status: Modified

Affected

Apple macOS < 14.8.7
Apple macOS < 15.7.7

Attack profile CVSS 3.1 · 5.5

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

Raw vector

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

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record