CVE-2021-1871CISA KEVEPSS p93.4%

CVE-2021-1871Apple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerability

Apple / iOS, iPadOS, and macOS

Description

Apple iOS, iPadOS, and macOS WebKit contain an unspecified logic vulnerability that allows a remote attacker to execute code. 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

EPSS7.12% probability of exploitation · percentile 93.4% · 2026-06-19T12:03:05Z

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryApple iOS, iPadOS, and macOS WebKit Remote Code Execution Vulnerabilitykev-cve-2021-18710%live

Related by meaning· 6

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.