CVE-2026-84518CWE-642

CVE-2026-84518

Medium · published September 15, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
24.7
In the wild
Unconfirmed
What it is

This issue was addressed through improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27. A malicious website may be able to determine what apps a user has installed.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00329 · 24.7th percentile
Weakness
CWE-642 · External Control of Critical State Data
Published
2026-09-15T01:17Z
Affected products (4)
ProductVersionsFixed in
apple/safari< 27.027.0
apple/ipados< 27.027.0
apple/iphone_os< 27.027.0
apple/macos< 27.027.0
References (3)
https://support.apple.com/en-us/149034 · [email protected]https://support.apple.com/en-us/149035 · [email protected]https://support.apple.com/en-us/149039 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:51Z
    This issue was addressed through improved state management
    cvelistv5