CVE-2026-84489CWE-120

CVE-2026-84489

Medium · published September 15, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
6.1
In the wild
Unconfirmed
What it is

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to cause a denial of service.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00171 · 6.1th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-09-15T01:17Z
Affected products (4)
ProductVersionsFixed in
apple/ipados< 18.7.1018.7.10
apple/iphone_os< 18.7.1018.7.10
apple/macos≥ 14.0, < 14.8.814.8.8
apple/macos≥ 15.0, < 15.7.815.7.8
References (5)
https://support.apple.com/en-us/128071 · [email protected]https://support.apple.com/en-us/128072 · [email protected]https://support.apple.com/en-us/148287 · [email protected]https://support.apple.com/en-us/149034 · [email protected]https://support.apple.com/en-us/149035 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:51Z
    A buffer overflow was addressed with improved bounds checking
    cvelistv5