Information disclosure in macOS - CVE-2026-20649

Vulnerability identifier: #VU122708

CSH Severity: Low

CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2026-20649

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to excessive data output by the Game Center. A local user can view sensitive user information.

macOS
watchOS
tvOS
iPadOS
Apple iOS

Install updates from vendor's website.

macOS - update to 26.3 25D125
watchOS - update to 26.3 23S620
tvOS - update to 26.3 23K620
iPadOS - update to 26.3 23D127
Apple iOS - update to 26.3 23D127

• https://support.apple.com/en-us/126348

• Multiple vulnerabilities in Apple macOS Tahoe
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple iOS 26 and iPadOS 26