CVE-2026-84552CWE-125CWE-416CWE-787

CVE-2026-84552

Medium · published September 15, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
4.5
In the wild
Unconfirmed
What it is

The issue was addressed with improved memory handling. 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. An app may be able to cause unexpected system termination.

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
0.00158 · 4.5th percentile
Weaknesses
CWE-125 · Out-of-bounds Read; CWE-416 · Use After Free; CWE-787 · Out-of-bounds Write
Published
2026-09-15T01:17Z
Affected products (4)
ProductVersionsFixed in
apple/ipados< 26.726.7
apple/iphone_os< 26.726.7
apple/macos≥ 15.0, < 15.815.8
apple/macos≥ 26.0, < 26.726.7
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/149041 · [email protected]https://support.apple.com/en-us/149042 · [email protected]https://support.apple.com/en-us/149043 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:49Z
    The issue was addressed with improved memory handling
    cvelistv5