CVE-2026-43815

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. Connecting to a malicious afpfs server may lead to kernel memory corruption.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::

History

16 Sep 2026, 17:41

Type	Values Removed	Values Added
References	~~() https://support.apple.com/en-us/128067 -~~	() https://support.apple.com/en-us/128067 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/128071 -~~	() https://support.apple.com/en-us/128071 - Release Notes, Vendor Advisory
References	~~() https://support.apple.com/en-us/128072 -~~	() https://support.apple.com/en-us/128072 - Release Notes, Vendor Advisory
CWE		CWE-787
First Time		Apple macos Apple
CPE		cpe:2.3:o:apple:macos::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8

Information

Published : 2026-09-14 21:17

Updated : 2026-09-18 04:17

NVD link : CVE-2026-43815

Mitre link : CVE-2026-43815

CVE.ORG link : CVE-2026-43815

JSON object : View

Products Affected

apple

macos

CWE

CWE-787

Out-of-bounds Write

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