CVE-2026-45446: Incorrect Tag Processing for Empty Messages in AES-GCM-SIV and AES-SIV modes

Overview

Severity

Medium (CVSS 4.8)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-13

EPSS Score

0.01% (percentile: 1.6%)

Affected Products (6)

Other

• 21217-17084
• 21370-17084
• 21264-17084
• 21380-17084
• 21400-17084
• 21433-17084

Revision History

• 2026-06-13: Information published.