SEPTEMBER 17, 2026
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Case File

CVE-2026-64703

CRITICAL · CVSS 9.8 EPSS 0.78%

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

CyberRota Analysis

AI-Generated

A use-after-free vulnerability in unspecified macOS products could allow an application to exploit memory management flaws, potentially leading to a denial-of-service condition. Organizations using affected versions of macOS should prioritize updates to versions 15.7.8, 14.8.8, or 26.6 to mitigate this critical risk. Immediate action is recommended for all users to prevent potential service disruptions.

CVE
CVE-2026-64703
Severity
CRITICAL
CVSS
9.8
EPSS
0.78%

Original NVD Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause a denial-of-service.

Related CVEs

Other vulnerabilities affecting the same vendor(s)