CVE-2026-42505: Invoking Encrypted Client Hello privacy leak in crypto/tls

Overview

Severity

Medium (CVSS 5.3)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-15

EPSS Score

0.41% (percentile: 33.3%)

Affected Products (2)

Other

• 21483-17084
• 21489-17084

Revision History

• 2026-07-15: Information published.