HarborGuard / CVE
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HIGHCVE-2026-20617Published Modified CNA apple

CVE-2026-20617: A race condition was addressed with improved state handling

A race condition was addressed with improved state handling. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to gain root privileges.

Metrics

CVSS v3.1
7.0
Severity
HIGH
Fixed in
14.8.4
Affected Products
5

Fix available

14.8.426.3
Affected packages
  • Apple / iOS and iPadOS
    < 26.3 (from 0)
  • Apple / macOS
    < 14.8.4 (from 0) · < 26.3 (from 0)
  • Apple / tvOS
    < 26.3 (from 0)
  • Apple / visionOS
    < 26.3 (from 0)
  • Apple / watchOS
    < 26.3 (from 0)
CVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
References