CVE Watch—

CVE-2020-9819

Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability

CVSS

—

No CVSS

EPSS

2.2%

p80

KEV

YES

Nov 3, 2021

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

2.2%EPSS · 30 days2.2%

2026-06-302026-07-17

KEV catalog record

Product

Apple / iOS, iPadOS, and watchOS

Vulnerability

Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

May 3, 2022

Known ransomware use

Summary description

Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2020-9819

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