CVE-2026-42768: Multi-RecipientInfo Bleichenbacher Oracle in CMS_decrypt() and PKCS7_decrypt()

Overview

Severity
Low (CVSS 3.7)
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploit Status
Not Exploited
Patch Tuesday
2026-Jun
Released
2026-06-13
EPSS Score
0.01% (percentile: 1.0%)

Affected Products (4)

Other

  • 21217-17084
  • 21370-17084
  • 21400-17084
  • 21433-17084

Revision History

  • 2026-06-13: Information published.