CVE-2021-30665CISA KEVEPSS p87.6%

CVE-2021-30665Apple Multiple Products WebKit Memory Corruption Vulnerability

Apple / Multiple Products

Description

Apple iOS, iPadOS, macOS, watchOS, and tvOS WebKit contain a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Scoring

EPSS3.47% probability of exploitation · percentile 87.6% · 2026-06-18T12:00:27Z

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryApple Multiple Products WebKit Memory Corruption Vulnerabilitykev-cve-2021-306650%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
Apple iOS WebKit Memory Corruption Vulnerability
CVE
Apple Multiple Products WebKit Storage Use-After-Free Vulnerability
CVE
Apple iOS WebKit Buffer Overflow Vulnerability
CVE
Apple Multiple Products WebKit Integer Overflow Vulnerability
CVE
Apple iOS WebKit Use-After-Free Vulnerability
CVE
Apple Multiple Products WebKit Code Execution Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.