macOS
CVE-2026-20630
MEDIUM
Severity by source
AV:L/AC:L/PR:L/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:L/UI:N/S:U/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionCVE.org
A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.3. An app may be able to access protected user data.
AnalysisAI
macOS systems running versions prior to Tahoe 26.3 contain an improper permissions restriction that allows local applications to read sensitive user data without authorization. A threat actor with local access could exploit this vulnerability to exfiltrate protected information. A patch is currently unavailable for affected systems.
Technical ContextAI
Affects Macos. A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Tahoe 26.3. An app may be able to access protected user data.
RemediationAI
Monitor vendor advisories for a patch.
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Same weakness CWE-277 – Insecure Inherited Permissions
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External POC / Exploit Code
Leaving vuln.today