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TI-2026-58085 Aliases CVE-2026-84518GHSA-fwr4-9mvc-j48j

Apple Safari: A malicious website may be able to determine what apps a user has installed

Priority LOW 20CWE-642Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00329 26th percentileScored 2026-11-07
Fix Fixed Safari (Apple): 27iOS and iPadOS (Apple): 27+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleSafaribefore 2727Patch availableCNA
AppleiOS and iPadOSbefore 2727Patch availableCNA
ApplemacOSbefore 2727Patch availableCNA
  • Safari VendorApple Affected before 27 Fixed in 27 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 27 Fixed in 27 Patch available CNA
  • macOS VendorApple Affected before 27 Fixed in 27 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 27.0VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 27.0VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 27.0VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 27.0VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 27.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 27.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 27.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 27.0 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 27
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 27
  • Fix · CNA macOS (Apple) Fixed in 27

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS 27

    50 records Highest priority Priority MEDIUM 2 MEDIUM, 48 LOW

    Other records, highest priority first

    • TI-2026-58087 Buffer overflow in Apple macOSPriority MEDIUM 49
    • TI-2026-58171 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2026-59405 Protection mechanism failure in Apple macOSPriority LOW 39
    Show all 50 records →
  • Release ·

    Apple iOS and iPadOS 27

    45 records Highest priority Priority MEDIUM 2 MEDIUM, 43 LOW

    Other records, highest priority first

    • TI-2026-58158 Buffer overflow in Apple iOS and iPadOSPriority MEDIUM 50
    • TI-2026-58171 Information disclosure in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2026-59406 Information disclosure in Apple iOS and iPadOSPriority LOW 39
    Show all 45 records →
Show 1 more group
  • Release ·

    Apple Safari 27

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-58178 Type confusion in Apple SafariPriority LOW 29
    • TI-2026-46286 Improper privilege management in Apple SafariPriority LOW 29
    • TI-2026-59408 Cross-site scripting in Apple SafariPriority LOW 24
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-84518
  2. 2026-10-03 Alias added: GHSA-fwr4-9mvc-j48j

References

Advisory 3

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences