macOS
CVE-2026-20603
MEDIUM
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.
AnalysisAI
Root-privileged applications on macOS can bypass information redaction mechanisms to access sensitive user data due to inadequate access controls. This affects macOS Tahoe 26.3 and earlier versions, allowing a malicious or compromised privileged app to read private information that should be protected. No patch is currently available for this vulnerability.
Technical ContextAI
Classified as CWE-284 (Improper Access Control). Affects Macos. This issue was addressed with improved redaction of sensitive information. This issue is fixed in macOS Tahoe 26.3. An app with root privileges may be able to access private information.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-284 – Improper Access Control
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External POC / Exploit Code
Leaving vuln.today