Threat intelligence dashboard
CVE-2026-84515high

Vulnerability record

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to kernel memory corruption.

Risk score

7.8

CVSS 3.1

Vendor
Apple
Product
macOS
CWE
CWE-787
Published
Sep 14, 2026
Updated
Sep 16, 2026
CISA KEV
Not flagged

Affected products and versions

macOS

Apple

Version / rangeStatusType
0 to before 15.8affectedcustom
0 to before 26.7affectedcustom
0 to before 27affectedcustom

Technical metrics

7.8

CVSS 3.1

Severity
high
Source
CISA-ADP
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H