AUGUST 4, 2026
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Case File

CVE-2021-30736

HIGH · CVSS 7.8 EPSS 1.62%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-09-08 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. See the original NVD description below for full technical details.

CVE
CVE-2021-30736
Severity
HIGH
CVSS
7.8
EPSS
1.62%

Original NVD Description

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.

Related CVEs

Other vulnerabilities affecting the same vendor(s)