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HIGH · 8.1

CVE-2026-84516

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted file may result i...

Vulnerability Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted file may result in unexpected app termination or disclosure of process memory.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
AppleMacos>= 15.0, < 15.8

Related Weaknesses (CWE)

CWE-125

References

FAQ

What is CVE-2026-84516?

CVE-2026-84516 is a vulnerability with a CVSS score of 8.1 (HIGH). An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Processing a maliciously crafted file may result i...

How severe is CVE-2026-84516?

CVE-2026-84516 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-84516?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.