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CVE-2020-27930

CWE-787

Critical

90.7

RPS

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. Processing a maliciously crafted font may lead to arbitrary code execution.

Source: NVD

Signals

CVSS
7.8
High · v3.1
EPSS
22.00%
Probability of exploitation in the next 30 days (FIRST)
CISA KEV
In CISA KEV since Nov 2021
Fix commit
No known fix commit
Sources: MoreFixes, FreshFixes
Weakness
CWE-787
Published
8 Dec 2020
Last modified 27 Oct 2025

How to read these signals: RPS · EPSS · CISA KEV · Data sources

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Data as of 7 Oct 2026, 05:16 UK time

CVE-2020-27930 · RPS 90.7 · DevSecure Intelligence