CVE-2026-43764

An integer overflow 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. An app may be able to cause unexpected system termination.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

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

No history.

Information

Published : 2026-07-27 21:17

Updated : 2026-07-28 19:55

NVD link : CVE-2026-43764

Mitre link : CVE-2026-43764

CVE.ORG link : CVE-2026-43764

JSON object : View

Products Affected

apple

macos

CWE

CWE-190

Integer Overflow or Wraparound

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