CVE-2026-86957CWE-125

CVE-2026-86957

Medium · published October 20, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
15.0
In the wild
Unconfirmed
What it is

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An attacker in wireless proximity may be able to cause unexpected system termination.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00246 · 15.0th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2026-10-20T05:17Z
References (8)
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]https://support.apple.com/en-us/149041 · [email protected]https://support.apple.com/en-us/149042 · [email protected]https://support.apple.com/en-us/149043 · [email protected]
EPSS history
Timeline
  • 21 OCT 03:32Z
    EPSS moved — → 0%
    epss
  • 20 OCT 00:50Z
    An out-of-bounds read was addressed with improved bounds checking
    cvelistv5
  • 20 OCT 00:50Z
    An out-of-bounds read was addressed with improved bounds checking
    cvelistv5