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    CVE-2026-10858

    IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer underflow when processing multi-segment messages.

    Published:Sep 18, 2026
    Last Modified:Sep 18, 2026
    EPS:Sep 18, 2026
    EPSS Score:
    CVSS Score:9.9

    Affected Products

    Vendor
    Ibm
    Product
    Mq For Hpe Nonstop

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2026-11726 (CVSS 8.1) — IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to obtain sensitive inform…
    CVE-2026-11716 (CVSS 7.5) — IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of servi…
    CVE-2026-11381 (CVSS 8.8) — IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary cod…
    CVE-2026-10744 (CVSS 7.5) — IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of servi…
    CVE-2024-51470 (CVSS 6.5) — IBM MQ 9.1 LTS, 9.2 LTS, 9.3 LTS, 9.3 CD, 9.4 LTS, 9.4 CD, IBM MQ Appliance 9.3 LTS, 9.3 CD, 9.4 LTS, and IBM …
    CVE-2022-40237 (CVSS 6.5) — IBM MQ for HPE NonStop 8.1.0 is vulnerable to a denial of service attack due to an error within the CCDT and c…
    CVE-2022-22325 (CVSS 5.5) — IBM MQ (IBM MQ for HPE NonStop 8.1.0) can inadvertently disclose sensitive information under certain circumsta…
    CVE-2021-38950 (CVSS 7.8) — IBM MQ on HPE NonStop 8.0.4 and 8.1.0 is vulnerable to a privilege escalation attack when SharedBindingsUserId…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High