CVE-2026-65398CWE-120

CVE-2026-65398

High · published September 15, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
5.3
In the wild
Unconfirmed
What it is

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00164 · 5.3th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-09-15T01:17Z
Affected products (6)
ProductVersionsFixed in
apple/ipados< 27.027.0
apple/iphone_os< 27.027.0
apple/macos< 27.027.0
apple/tvos< 27.027.0
apple/visionos< 27.027.0
apple/watchos< 27.027.0
References (5)
https://support.apple.com/en-us/149034 · [email protected]https://support.apple.com/en-us/149035 · [email protected]https://support.apple.com/en-us/149036 · [email protected]https://support.apple.com/en-us/149037 · [email protected]https://support.apple.com/en-us/149038 · [email protected]
EPSS history
Timeline
  • 16 SEP 04:29Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:50Z
    An out-of-bounds access issue was addressed with improved bounds checking
    cvelistv5