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TI-2026-16715 Aliases CVE-2026-20658GHSA-r5cf-37x9-4hgv

Apple macOS: An app may be able to gain root privileges

Priority LOW 35Published · Updated

Key facts

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

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

Summary

A package validation issue was addressed by blocking the vulnerable package. This issue is fixed in macOS Tahoe 26.3. An app may be able to gain root privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00148 4th percentileScored 2026-11-07
Fix Fixed macOS (Apple): 26.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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 26.326.3Patch availableCNA
  • macOS VendorApple Affected before 26.3 Fixed in 26.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*26.0 to before 26.3VulnerableApple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 26.0 to before 26.3 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 26.3

Fixed in the same release

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

  • Release ·

    Apple macOS 26.3

    21 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM, 18 LOW

    Other records, highest priority first

    • TI-2026-16755 Memory corruption in Apple iOS and iPadOSPriority CRITICAL 93
    • TI-2026-16709 Uncontrolled resource consumption in Apple SafariPriority MEDIUM 40
    • TI-2026-16707 Uncontrolled resource consumption in Apple iOS and iPadOSPriority MEDIUM 40
    Show all 21 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-20658
  2. 2026-10-03 Alias added: GHSA-r5cf-37x9-4hgv

References

Advisory 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