How severe is CVE-2026-84440?

CVE-2026-84440 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-84440 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-84440?

CVE-2026-84440 affects Ibm Guardium Data Protection. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-84440?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2026-84440 published?

CVE-2026-84440 was published on 2026-09-29 and last updated on 2026-10-01.

CVE-2026-84440

CVE-2026-84440 is a high-severity vulnerability in Ibm Guardium Data Protection with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Ibm Guardium Data Protection
Published: 2026-09-29
Last modified: 2026-10-01

Description

IBM Guardium Data Protection 12.2 is vulnerable to command injection in the SNMP alert notification functionality. An authenticated attacker who can influence policy alert text can cause attacker-controlled data to be executed as operating system commands by the SNMP alerter service, which runs with root privileges.

Frequently asked questions

What is CVE-2026-84440?: IBM Guardium Data Protection 12.2 is vulnerable to command injection in the SNMP alert notification functionality. An authenticated attacker who can influence policy alert text can cause attacker-controlled data to be executed as operating system commands by the SNMP alerter service, which runs with root privileges.
How severe is CVE-2026-84440?: CVE-2026-84440 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-84440 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-84440?: CVE-2026-84440 affects Ibm Guardium Data Protection. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-84440?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2026-84440 published?: CVE-2026-84440 was published on 2026-09-29 and last updated on 2026-10-01.

References

https://www.ibm.com/support/pages/node/7288035

Affected products (1)

cpe:2.3:a:ibm:guardium_data_protection:12.2:*:*:*:*:*:*:*

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