CVE-2026-10027

CRITICALCVSS 9.8/10EPSS 0.37%

Last modified

CVE-2026-10027 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.37%

30.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
IbmMq>= 9.1.0.0, <= 9.1.0.37
IbmMq>= 9.2.0.0, <= 9.2.0.43
IbmMq>= 9.3.0.0, <= 9.3.0.41
IbmMq>= 9.3.0.0, <= 9.3.5.1
IbmMq>= 9.4.0.0, <= 9.4.0.25
IbmMq>= 9.4.0.0, <= 9.4.5.1
IbmMq10.0.0.0

References

Timeline

Published
Last Modified
Status
Analyzed

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.
How severe is CVE-2026-10027?
CVE-2026-10027 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.
How do I fix CVE-2026-10027?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST