What is the CVSS score of CVE-2026-20630?

CVE-2026-20630 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Apple are affected by CVE-2026-20630?

Organizations using A permissions should be aware of moderate risk from CVE-2026-20630 rated CVSS 5.5. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2026-20630?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Apple CVE-2026-20630

MEDIUM

Insecure Inherited Permissions (CWE-277)

2026-02-11 product-security@apple.com

Apple Information Disclosure

5.5

CVSS 3.1 · Vendor: apple

Severity by source

Vendor (apple) PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from Vendor (apple) · only source for this CVE.

CVSS VectorVendor: apple

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:02 vuln.today

CVE Published

Feb 11, 2026 - 23:16 nvd

MEDIUM 5.5

DescriptionCVE.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.