CVE-2026-43767

MEDIUM CVSS 3.1: 5.0 EPSS 0.12%
Updated Jul 30, 2026
Apple
Parameter Value
CVSS 5.0 (MEDIUM)
Affected Versions 14.0 — 26.6
Fixed In 14.8.8
Type CWE-119 (Buffer Overflow), CWE-125 (Out-of-bounds Read), CWE-787 (Out-of-bounds Write)
Vendor Apple
Public PoC No

The issue was addressed with improved memory handling. 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 unexpected system termination.

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
Required
User action required

Impact Assessment

Confidentiality
None
No 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