CVE-2026-34181: PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys

Overview

Severity

High (CVSS 7.4)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-13

Last Updated

2026-10-12

EPSS Score

0.38% (percentile: 31.4%)

Affected Products (1)

Other

• 0-17084

Revision History

• 2026-06-13: Information published.
• 2026-06-23: Information published.
• 2026-08-07: Information published.
• 2026-10-11: Information published.
• 2026-10-12: Information published.