Critical stored XSS in a widely used enterprise DB security product (IBM Guardium) that can enable admin account compromise and data exposure.
CVE-2026-84244
Stored XSS in IBM Guardium 12.2 Quick Search allows script execution in user browsers.
Is CVE-2026-84244 being exploited?
Not confirmed. CVE-2026-84244 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 0.18% probability of exploitation in the next 30 days.
How severe is CVE-2026-84244?
CVE-2026-84244 is rated Critical with a CVSS score of 9.3. 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-2026-84244?
Yes. A fix has been recorded for CVE-2026-84244. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-84244 affect?
CVE-2026-84244 affects IBM Guardium Data Protection 12.2, Guardium Web UI (Quick Search results grid). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-84244?
Apply IBM advisory patch ASAP; restrict UI access and rotate credentials.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Stored XSS can run arbitrary JS in authenticated users' browsers, enabling session hijack, credential theft, or admin account takeover.
Immediate action required
- 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.