What’s Vulnerable › Vulnerabilities

CVE-2020-27907

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-02 · updated 2026-06-17
• Weakness: CWE-787

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. An application may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple macOS: before 11.0.1; before 11.1.0 — fixed in 11.0.1, 11.1.0

How to fix

Upgrade to a fixed version: Apple macOS 11.0.1, 11.1.0. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT211931
• https://support.apple.com/en-us/HT212011
• https://support.apple.com/en-us/HT211931
• https://support.apple.com/en-us/HT212011

Get alerted when CVE-2020-27907 or the next vulnerability affects your stack