IBM Guardium is a widely deployed enterprise data-protection product; an RCE in it can compromise monitoring, sensitive DB telemetry, and enterprise security controls—newsworthy for IT/Infosec.
CVE-2026-84035
Remote buffer overflow in IBM Guardium allows arbitrary code execution.
Is CVE-2026-84035 being exploited?
Not confirmed. CVE-2026-84035 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.37% probability of exploitation in the next 30 days.
How severe is CVE-2026-84035?
CVE-2026-84035 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-84035?
Yes. A fix has been recorded for CVE-2026-84035. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-84035 affect?
CVE-2026-84035 affects IBM Guardium Data Protection 12.0, IBM Guardium Data Protection 12.1, IBM Guardium Data Protection 12.2. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-84035?
Apply vendor advisory/patches ASAP; restrict management access and isolate appliances.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via stack-based buffer overflow; attacker can run arbitrary code on Guardium, compromise monitoring/data and disable protections.
Immediate action required
- affected12.0
- affected12.1
- affected12.2
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.