HIGH

CVE-2026-34181

CVSS v3

7.4

HIGH

EPSS Score

0.2 %

exploit probability

CISA KEV

known exploited

Exploitation

—

SSVC status

Description

Microsoft Security Update (CVE-2026-34181)

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published: 2026-06-19
MSRC Title: PKCS#12 Files with PBMAC1 Are Accepted with Short HMAC Keys

Frequently asked questions

What is CVE-2026-34181?

Microsoft Security Update (CVE-2026-34181)

Is CVE-2026-34181 actively exploited?

Active exploitation of CVE-2026-34181 has not been confirmed. The EPSS score is 0.2%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-34181?

CVE-2026-34181 has a CVSS v3 base score of 7.4 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Is CVE-2026-34181 affecting your environment?

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