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CRITICAL

CVE-2026-6928

CVSS v3

9.8

CRITICAL

EPSS Score

0.4 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

IBM Concert 1.0.0 through 3.0.0 references or accesses memory after it has been freed. This allows an attacker who can influence program execution or input may exploit this condition to corrupt memory, cause application crashes, or execute arbitrary code.

Technical details

Published
2026-09-23
Last Modified
2026-09-25

Frequently asked questions

What is CVE-2026-6928?

IBM Concert 1.0.0 through 3.0.0 references or accesses memory after it has been freed. This allows an attacker who can influence program execution or input may exploit this condition to corrupt memory, cause application crashes, or execute arbitrary code.

Is CVE-2026-6928 actively exploited?

Active exploitation of CVE-2026-6928 has not been confirmed. Its EPSS score was 0.4% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-6928?

CVE-2026-6928 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2026-6928 affecting your environment?

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