CVE-2026-20620

7.7 HIGH
Published: February 11, 2026 Modified: February 17, 2026
View on NVD

Description

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.4, macOS Tahoe 26.3, macOS Sonoma 14.8.4. An attacker may be able to cause unexpected system termination or read kernel memory.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.apple.com/en-us/126348
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/126349
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/126350
Source: product-security@apple.com
Release Notes Vendor Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.7 / 10.0
EPSS (Exploit Probability)
0.0%
0th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

apple