CVE-2026-84510

A heap buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a maliciously crafted volume may lead to unexpected system termination.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/149034	Vendor Advisory
https://support.apple.com/en-us/149035	Vendor Advisory
https://support.apple.com/en-us/149041	Vendor Advisory
https://support.apple.com/en-us/149042	Vendor Advisory
https://support.apple.com/en-us/149043	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::

History

18 Sep 2026, 16:36

Type	Values Removed	Values Added
First Time		Apple ipados Apple Apple iphone Os Apple macos
CPE		cpe:2.3:o:apple:ipados:::::::: cpe:2.3:o:apple:macos:::::::: cpe:2.3:o:apple:iphone_os::::::::
References	~~() https://support.apple.com/en-us/149034 -~~	() https://support.apple.com/en-us/149034 - Vendor Advisory
References	~~() https://support.apple.com/en-us/149035 -~~	() https://support.apple.com/en-us/149035 - Vendor Advisory
References	~~() https://support.apple.com/en-us/149041 -~~	() https://support.apple.com/en-us/149041 - Vendor Advisory
References	~~() https://support.apple.com/en-us/149042 -~~	() https://support.apple.com/en-us/149042 - Vendor Advisory
References	~~() https://support.apple.com/en-us/149043 -~~	() https://support.apple.com/en-us/149043 - Vendor Advisory

17 Sep 2026, 15:16

Type	Values Removed	Values Added
CWE		CWE-122
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5

Information

Published : 2026-09-14 21:17

Updated : 2026-09-18 16:36

NVD link : CVE-2026-84510

Mitre link : CVE-2026-84510

CVE.ORG link : CVE-2026-84510

JSON object : View

Products Affected

apple

macos
iphone_os
ipados

CWE

CWE-122

Heap-based Buffer Overflow

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