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Apple EUVDEUVD-2026-78127

| CVE-2026-84563 HIGH
Access of Resource Using Incompatible Type (Type Confusion) (CWE-843)
2026-09-14 apple GHSA-jm33-2f8j-888w
7.5
CVSS 3.1 · Vendor: apple
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Severity by source

Vendor (apple) PRIMARY
7.5 HIGH
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

CVSS VectorVendor: apple

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

Lifecycle Timeline

5
Analysis Generated
Sep 15, 2026 - 22:30 vuln.today
CVSS changed
Sep 15, 2026 - 20:37 NVD
7.5 (HIGH)
Patch available
Sep 14, 2026 - 22:19 EUVD
CVE Published
Sep 14, 2026 - 20:51 cve.org
HIGH 7.5
CVE Published
Sep 14, 2026 - 20:51 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.

AnalysisAI

A logic flaw in Apple macOS Sequoia, Tahoe, and Golden Gate allows an application running on the target Mac to force unexpected system termination, producing a denial-of-service condition that can crash the host and force a reboot. The flaw is fixed in macOS Sequoia 15.8, macOS Tahoe 26.7, and macOS Golden Gate 27 per Apple's advisories, and no public exploit code has been identified at time of analysis. …

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EUVD-2026-78127 vulnerability details – vuln.today

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