CVE-2026-43771

HIGH

macOS < 14.8.8, < 15.7.8, < 26.6 - Denial of Service via Stack Overflow

Title source: llm

Description

A stack overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause a denial-of-service.

References (3)

Core 3

Core References

https://support.apple.com/en-us/128067

https://support.apple.com/en-us/128071

https://support.apple.com/en-us/128072

Scores

CVSS v3 7.1

EPSS 0.0014

EPSS Percentile 4.2%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-121

Status published

Products (4)

Apple/macOS < 14.8.8

Apple/macOS < 15.7.8

Apple/macOS < 26.6

apple/macos 14.0 - 14.8.8

Published Jul 27, 2026

Tracked Since Jul 28, 2026