CVE-2026-43777

This issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause a denial of service.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

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/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

28 Jul 2026, 17:59

Type	Values Removed	Values Added
CPE		cpe:2.3:o:apple:macos::::::::
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
First Time		Apple Apple macos

28 Jul 2026, 16:18

Type	Values Removed	Values Added
CWE		CWE-20
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5

27 Jul 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-27 21:17

Updated : 2026-07-28 17:59

NVD link : CVE-2026-43777

Mitre link : CVE-2026-43777

CVE.ORG link : CVE-2026-43777

JSON object : View

Products Affected

apple

macos

CWE

CWE-20

Improper Input Validation

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