CVE-2026-64788CWE-119

CVE-2026-64788

Medium · published August 18, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
15.9
In the wild
Unconfirmed
What it is

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00253 · 15.9th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2026-08-18T02:17Z
Affected products (3)
ProductVersionsFixed in
apple/ipados< 26.6.126.6.1
apple/iphone_os< 26.6.126.6.1
apple/macos≥ 26.0, < 26.6.226.6.2
References (4)
https://support.apple.com/en-us/148281 · [email protected]https://support.apple.com/en-us/148282 · [email protected]https://support.apple.com/en-us/149037 · [email protected]https://support.apple.com/en-us/149038 · [email protected]
EPSS history
Timeline
  • 17 AUG 21:30Z
    The issue was addressed with improved memory handling
    cvelistv5