CVE-2018-4131

7.8 highEPSS 1.1%

An issue was discovered in certain Apple products. iOS before 11.3 is affected. macOS before 10.13.4 is affected. The issue involves the "WindowServer" component. It allows attackers to bypass the Secure Input Mode protection mechanism, and log keystrokes of arbitrary apps, via a crafted app that scans key states.

Severity

CVSS 3.0

7.8 high

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
Published: 2018-04-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:iphone_os
apple:mac_os_x

References

http://www.securityfocus.com/bid/103581
http://www.securitytracker.com/id/1040604
http://www.securitytracker.com/id/1040608
https://support.apple.com/HT208692
https://support.apple.com/HT208693

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