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High 8.8Published Oct 19, 2026

CVE-2026-10743IBM MQ Race Condition

Updated under an hour ago ()

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It affects IBM MQ Operator and 2 other products. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.28%, higher than 21% of scored CVEs.

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IBM MQ could allow an authenticated attacker to cause a denial of service or corrupt memory due to improper validation of buffer sizes in MQOPEN operations.

CVSS
8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-1223
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.28% (percentile 21)
Assigned by
ibm
NVD analysis
Analyzed
Record last updated
Oct 19, 2026
First seen by InfoSec Signals
Oct 19, 2026

Affected products

Affected products
IBM MQ Operator
ibm:mq_operator (from the name)
from 3.2.0 through 3.2.29; from 3.3.0 before 3.4.0; 3.4.1; 3.5.0; from 3.5.1 through 3.5.3; from 3.6.0 through 3.6.4; from 3.7.0 through 3.7.2; 3.8.0; and 10 more ranges
CNA record
IBM MQ Advanced container images
ibm:mq_advanced_container_images (from the name)
from 9.4.0.6-r1 through r1, 9.4.0.6-r2, 9.4.0.7-r1, 9.4.0.10-r1, 9.4.0.10-r2, 9.4.0.11-r1, 9.4.0.11-r2, 9.4.0.11-r3, 9.4.0.12-r1, 9.4.0.15-r1 - 9.4.0.15-r4, 9.4.0.16-r1, 9.4.0.16-r2, 9.4.0.17-r1, 9.4.0.17-r2, 9.4.0.20-r1, 9.4.0.21-r1, 9.4.0.21-r2, 9.4.0.25-r1 - 9.4.0.25-r3, 9.4.0.26-r1CD: 9.4.1.0-r1, 9.4.1.0-r2, 9.4.1.1-r1, 9.4.2.0-r1, 9.4.2.0-r2, 9.4.2.1-r1, 9.4.2.1-r2, 9.4.3.0-r1, 9.4.3.0-r2, 9.4.3.1-r1 - 9.4.3.1-r3, 9.4.4.0-r1 - 9.4.4.0-r4, 9.4.4.1-r1, 9.4.5.0-r1, 9.4.5.0-r2, 9.4.5.1-r1, 10.0.0.0-r1 - 10.0.0.0-r4, 10.0.0.5-r1LTS: 9.3.0.0-r1, 9.3.0.0-r2, 9.3.0.0-r3, 9.3.0.1-r1, 9.3.0.1-r2, 9.3.0.1-r3, 9.3.0.1-r4, 9.3.0.3-r1, 9.3.0.4-r1, 9.3.0.4-r2, 9.3.0.5-r1, 9.3.0.5-r2, 9.3.0.5-r3, 9.3.0.6-r1, 9.3.0.10-r1, 9.3.0.10-r2, 9.3.0.11-r1,9.3.0.11-r2, 9.3.0.15-r1, 9.3.0.16-r1, 9.3.0.16-r2, 9.3.0.17-r1, 9.3.0.17-r2, 9.3.0.17-r3, 9.3.0.20-r1, 9.3.0.20-r2, 9.3.0.21-r1, 9.3.0.21-r2, 9.3.0.21-r3, 9.3.0.25-r1, 9.4.0.0-r1, 9.4.0.0-r2, 9.4.0.0-r3, 9.4.0.5-r1, 9.4.0.5-r2; 9.4.0.6-r2; 9.4.0.7-r1; 9.4.0.10-r1; 9.4.0.10-r2; 9.4.0.11-r1; 9.4.0.11-r2; 9.4.0.11-r3; and 63 more ranges
CNA record
ibm mq_operator
ibm:mq_operator
from 2.0.0 through 2.0.29; from 3.2.0 through 3.2.29; 3.3.0; 3.4.0; 3.4.1; 3.5.0; 3.5.1; 3.5.2; and 19 more ranges
NVD
ibm supplied_mq_advanced_container_images
ibm:supplied_mq_advanced_container_images
9.4.1.0; 9.4.1.0; 9.4.1.1; 9.4.2.0; 9.4.2.0; 9.4.2.1; 9.4.2.1; 9.4.3.0; and 74 more ranges
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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