CVE-2026-42766: Possible NULL Dereference in Password-Based CMS Decryption

Overview

Severity

Medium (CVSS 5.9)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-13

Last Updated

2026-08-07

EPSS Score

1.06% (percentile: 62.6%)

Affected Products (2)

Other

• 21450-17084
• 21264-17084

Revision History

• 2026-06-13: Information published.
• 2026-06-18: Information published.
• 2026-06-20: Information published.
• 2026-06-23: Information published.
• 2026-08-07: Information published.