CVE-2026-43750

CRITICAL
INFO Priority: 0.08 BB Relevance: 80/100
Published: 2026-07-27 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

A buffer overflow was addressed with improved bounds checking. 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 execute arbitrary code out of its sandbox or with certain elevated privileges.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
apple macos 14.0 – 14.8.8
apple macos 15.0 – 15.7.8
apple macos 26.0 – 26.6

References & Advisories (3)

https://support.apple.com/en-us/128067
Release Notes Vendor Advisory
https://support.apple.com/en-us/128071
Release Notes Vendor Advisory
https://support.apple.com/en-us/128072
Release Notes Vendor Advisory

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.77%
Raw Score 0.007660
Percentile 55.4%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00766
2026-10-28
0.00766

Intelligence Sources

nvd ref →