CVE-2026-43777

Published Jul 27, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Title Remote Denial of Service via Improper Input Validation in macOS
Type Values Removed Values Added
Title Remote Denial of Service via Improper Input Validation in macOS
Type Values Removed Values Added
Weaknesses CWE-20
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Vendors & Products Apple
Apple macos
Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Jul 28, 2026, 2:52 PM
Reserved
May 1, 2026, 10:46 PM
Status
Analyzed
Published
Jul 27, 2026, 9:17 PM
Modified
Oct 24, 2026, 1:10 PM