CVE-2026-84531

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27. Processing maliciously crafted NTLM input may lead to unexpected app termination.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

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

Configurations

Configuration 1 (hide)

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

History

18 Sep 2026, 17:22

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

17 Sep 2026, 16:18

Type	Values Removed	Values Added
CWE		CWE-787
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.2

Information

Published : 2026-09-14 21:17

Updated : 2026-09-18 17:22

NVD link : CVE-2026-84531

Mitre link : CVE-2026-84531

CVE.ORG link : CVE-2026-84531

JSON object : View

Products Affected

apple

macos
iphone_os
ipados

CWE

CWE-787

Out-of-bounds Write

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