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Apple macOS CVE-2026-84589

| EUVDEUVD-2026-78029 MEDIUM
Incorrect Authorization (CWE-863)
2026-09-14 apple GHSA-7qgv-4pv7-5r46
5.5
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
vuln.today AI
5.5 MEDIUM

Local malicious app (AV:L/PR:L) alters the privacy authorization database with no user prompt (UI:N); impact is integrity to permissions (I:H) with no direct confidentiality or availability loss.

3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Primary rating from NVD.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

6
Metadata Corrected
Sep 16, 2026 - 17:40 vuln.today
tag: macOS added
Analysis Generated
Sep 16, 2026 - 17:03 vuln.today
CVSS changed
Sep 16, 2026 - 15:37 NVD
5.5 (MEDIUM)
Patch available
Sep 14, 2026 - 22:19 EUVD
CVE Published
Sep 14, 2026 - 20:48 nvd
MEDIUM 5.5
CVE Published
Sep 14, 2026 - 20:48 cve.org
UNKNOWN (no severity yet)

DescriptionNVD

A permissions issue was addressed with additional restrictions. This issue is fixed in macOS Golden Gate 27. An app may be able to modify Privacy preferences.

AnalysisAI

Apps already running on macOS versions prior to Golden Gate 27 can modify Privacy (TCC) preferences they are not authorized to change, letting a malicious app grant itself access to consent-gated resources such as the camera, microphone, or other protected data without ever prompting the user. The root cause is an incorrect-authorization weakness (CWE-863) that Apple addressed by adding restrictions to the permission check, so exploitation is not remote: the attacker must first deliver and run code on the host (AV:L, PR:L, UI:N), making this primarily a post-compromise, integrity-only escalation of an app's privacy privileges (C:N/I:H/A:N). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Impact
technique details hidden

Vulnerability AssessmentAI

Exploitation Requires the attacker to already be executing code as an app on the target macOS system (local access, AV:L, PR:L) - there is no remote or network exploitation path. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment This is a genuine but locally-scoped authorization flaw (CWE-863) in macOS: an already-running app can modify Privacy (TCC) preferences it should not control, effectively granting itself access to protected resources. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Vendor-released patch: macOS Golden Gate 27 (version 27), detailed in Apple's advisory at https://support.apple.com/en-us/149035 - upgrading is the only complete fix, since the defect is in the OS's own authorization logic and no standalone patch or Apple-provided workaround is described. … Detailed patch versions, workarounds, and compensating controls in full report.

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CVE-2026-84589 vulnerability details – vuln.today

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