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/E:U
Exploit Status
Not Exploited
Patch Tuesday
2026-Jun
Released
2026-06-13
Last Updated
2026-08-07
EPSS Score
0.37% (percentile: 30.7%)

Affected Products (1)

Other

  • 21264-17084

Revision History

  • 2026-06-13: Information published.
  • 2026-06-20: Information published.
  • 2026-06-23: Information published.
  • 2026-08-07: Information published.