What is CVE-2026-64749?

CVE-2026-64749 is a high-severity vulnerability in Apple Ios And Ipados, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2026-07-27.

How severe is CVE-2026-64749?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Apple Ios And Ipados

CVE-2026-64749

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, visionOS 26.6. An app may be able to cause unexpected system termination or corrupt kernel memo…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Ios And Ipados — versions 0
Apple Macos — versions 0
Apple Visionos — versions 0

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Frequently asked questions

What is CVE-2026-64749?: CVE-2026-64749 is a high-severity vulnerability in Apple Ios And Ipados, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2026-07-27.
How severe is CVE-2026-64749?: High severity. CVSS v3 base score is 7.8 out of 10.