CVE-2026-10027
CVSS v3
8.1
HIGH
EPSS Score
0.4 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.
Technical details
- Published
- 2026-09-18
- Last Modified
- 2026-09-19
Frequently asked questions
What is CVE-2026-10027?
IBM MQ could allow a remote attacker to cause a denial of service or execute arbitrary code due to a buffer overflow when processing malformed compressed data on channels configured with compression enabled.
Is CVE-2026-10027 actively exploited?
Active exploitation of CVE-2026-10027 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-2026-10027?
CVE-2026-10027 has a CVSS v3 base score of 8.1 (HIGH severity).
Is CVE-2026-10027 affecting your environment?
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