CVE-2020-27926

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-12-08 · updated 2026-06-17
Weakness: CWE-416

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.2 and iPadOS 14.2. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected products

Apple iPadOS: before 14.2 — fixed in 14.2
Apple Iphone Os: before 14.2 — fixed in 14.2

How to fix

Upgrade to a fixed version: Apple iPadOS 14.2; Apple Iphone Os 14.2. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2020/Dec/26
https://support.apple.com/en-us/HT211929
https://support.apple.com/kb/HT212011
http://seclists.org/fulldisclosure/2020/Dec/26
https://support.apple.com/en-us/HT211929
https://support.apple.com/kb/HT212011

Get alerted when CVE-2020-27926 or the next vulnerability affects your stack