SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-43773

CRITICAL · CVSS 9.8 EPSS 0.60%

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 macOS can lead to unexpected system termination or kernel memory corruption when a maliciously crafted disk image is mounted. This critical issue affects unspecified products running older versions of macOS, and users should prioritize updating to the latest versions, specifically macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, or macOS Tahoe 26.6, to mitigate potential exploitation. Organizations relying on macOS systems should address this vulnerability immediately to protect against severe operational disruptions.

CVE
CVE-2026-43773
Severity
CRITICAL
CVSS
9.8
EPSS
0.60%

Original NVD Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Mounting a maliciously crafted disk image may cause unexpected system termination or corrupt kernel memory.

Related CVEs

Other vulnerabilities affecting the same vendor(s)