CVE-2020-27950VulnerabilityPublished 11/03/2021Updated 10/24/2026

CVE-2020-27950: Apple Multiple Products Memory Initialization Vulnerability

Affects Apple Multiple ProductsSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 11/03/2021
KEV deadline: 05/03/2022
EPSS: 16.5% chance of exploitation in 30 days – higher than 96% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2020-27950 (opens in a new tab)

Description

A memory initialization vulnerability exists in multiple Apple products including iOS, iPadOS, macOS, and watchOS. This flaw may allow a malicious application to disclose kernel memory, potentially exposing sensitive information. The vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the available data.

Summary

CVE-2020-27950 is a memory initialization vulnerability affecting multiple Apple operating systems: iOS, iPadOS, macOS, and watchOS. The vulnerability could allow a malicious application to read uninitialized kernel memory, leading to potential information disclosure. The vulnerability has been observed to be exploited in the wild. No explicit patch or remediation details are provided in the source data.

Impact

The vulnerability may allow attackers to disclose kernel memory contents, which could include sensitive information. This can compromise system confidentiality. Exploitation in the wild indicates active threat usage. The exact impact depends on the nature of the disclosed kernel memory but generally represents a high security risk.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users and administrators should monitor Apple's security advisories for updates and apply any available patches promptly once released.

Weaknesses

CWE-665Unclassified weakness (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 09:41:27 UTC

Weaknesses

References

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