SEPTEMBER 17, 2026
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Case File

CVE-2026-84543

HIGH · CVSS 7.5 EPSS 0.33%

Source: NVD + CISA KEV + EPSS · Published 2026-09-14 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

An out-of-bounds access vulnerability in macOS could allow a malicious SMB server to trigger unexpected system termination or corrupt kernel memory. Users of macOS Golden Gate 27, Sequoia 15.8, and Tahoe 26.7 should prioritize applying the latest updates to mitigate potential risks associated with this issue. Organizations relying on these macOS versions should assess their exposure and implement the necessary patches promptly.

CVE
CVE-2026-84543
Severity
HIGH
CVSS
7.5
EPSS
0.33%

Original NVD Description

An out-of-bounds access 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 cause unexpected system termination or corrupt kernel memory.

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-86917 HIGH CVE-2026-86905 MEDIUM CVE-2026-86904 HIGH CVE-2026-86903 MEDIUM CVE-2026-86895 HIGH CVE-2026-86894 HIGH