SEPTEMBER 17, 2026
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Case File

CVE-2026-43809

CRITICAL · CVSS 9.8 EPSS 0.62%

Source: NVD + CISA KEV + EPSS · Published 2026-07-27 · Last synced 2026-08-26

CyberRota Analysis

AI-Generated

An out-of-bounds read vulnerability in unspecified products could allow an application to trigger unexpected system termination, posing a significant risk to system stability and security. Organizations using affected versions of macOS, particularly those running Sequoia 15.7.8, Sonoma 14.8.8, or Tahoe 26.6, should prioritize applying the latest updates to mitigate this critical threat. Immediate action is recommended to safeguard against potential exploitation.

CVE
CVE-2026-43809
Severity
CRITICAL
CVSS
9.8
EPSS
0.62%

Original NVD Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Related CVEs

Other vulnerabilities affecting the same vendor(s)