CVE-2026-20620

CVSS 7.7 HIGHEPSS 0.2%CWE-125

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.7EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

11 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected products

Apple · macOS

References

https://support.apple.com/en-us/126348 https://support.apple.com/en-us/126349 https://support.apple.com/en-us/126350