CVE-2026-43681

HIGH CVSS 3.1: 7.1 EPSS 0.13%
Updated Jul 29, 2026
Apple
Parameter Value
CVSS 7.1 (HIGH)
Affected Versions 14.0 — 26.6
Fixed In 14.8.8
Type CWE-120 (Buffer Copy without Checking Size)
Vendor Apple
Public PoC No

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. A local user may be able to read kernel memory.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 3

Configuration From (including) Up to (excluding)
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
14.0 14.8.8
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
15.0 15.7.8
Apple Macos
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
26.0 26.6