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TI-2026-16705 Aliases CVE-2026-20648GHSA-f3h2-q66h-c9wp

Information disclosure in Apple macOS

Priority LOW 24CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

A privacy issue was addressed by moving sensitive data to a protected location. This issue is fixed in macOS Sequoia 15.8.2, macOS Tahoe 26.3. A malicious app may be able to access notifications from other iCloud devices.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00242 15th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 15.8.2, 26.3

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
ApplemacOSbefore 15.8.2; before 26.315.8.2, 26.3Patch availableCNA
  • macOS VendorApple Affected before 15.8.2; before 26.3 Fixed in 15.8.2, 26.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 26.3VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 26.3 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 15.8.2, 26.3

Fixed in the same release

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

  • Release ·

    Apple macOS 15.8.2, 26.3

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-16706 Apple iOS and iPadOS: A user may be able to view sensitive user informationPriority LOW 33
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20648
  2. 2026-10-03 Alias added: GHSA-f3h2-q66h-c9wp
  3. 2026-10-26 Fix available: Apple/[email protected] · CNA
  4. 2026-10-26 1 new reference · CNA

References

Advisory 1

Other 1

  • TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
  • 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
See all 3490 →

Sources

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