How severe is CVE-2026-84272?

CVE-2026-84272 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which products are affected by CVE-2026-84272?

CVE-2026-84272 affects the following products: ibm guardium data protection.

How do I patch CVE-2026-84272?

No patch has shipped for CVE-2026-84272 yet — track the ibm guardium data protection advisory for a fixed release and apply the workarounds below in the meantime.

How do I detect CVE-2026-84272 across my infrastructure?

Inventory every ibm guardium data protection deployment and check each version against the affected-products list above.

How do I mitigate CVE-2026-84272 if there is no patch (or I can't update yet)?

Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Is CVE-2026-84272 actively exploited in the wild?

No public exploit code has been indexed for CVE-2026-84272 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2026-84272?

CVE-2026-84272 has an EPSS (Exploit Prediction Scoring System) score of 0.4%, placing it in the 32th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2026-84272?

CVE-2026-84272 is classified as Missing Authentication (CWE-306). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2026-84272?

CVE-2026-84272 affects ibm guardium data protection (3 versions, e.g. 12.1, 12.1.0, 12.2.2). Check the affected-products list on this page against your deployed version to confirm exposure.

When was CVE-2026-84272 published, and has it been updated?

CVE-2026-84272 was published on October 8, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🛡️

Not in CISA KEV

CRITICAL severity

CVE-2026-84272 — Guardium Data Protection

CRITICAL

CVE-2026-84272 is a critical-severity (CVSS 9.8) Missing Authentication vulnerability in ibm guardium data protection. No vendor fix is recorded yet; mitigation options are listed below.

IBM Guardium Data Protection 12.1 and 12.2.2 are vulnerable to missing authentication in the edge-controller component. An unauthenticated remote attacker could exploit this vulnerability…

Published

Oct 8, 2026

Updated

Oct 8, 2026

Affected

1 product

Patched

See advisory

Exploits

None indexed

Exploitation data as of Oct 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

0.4%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs32th percentile — riskier than 32% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-84272 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 384,993 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Description

IBM Guardium Data Protection 12.1 and 12.2.2 are vulnerable to missing authentication in the edge-controller component. An unauthenticated remote attacker could exploit this vulnerability to execute arbitrary container images and gain control of managed edge clusters.

Affected Products

1 product · 3 configurations

Application

guardium data protectionibm

3 versions

12.112.1.012.2.2

Detection & mitigation playbook

Vendor / appliance

Detect
Inventory every ibm guardium data protection deployment and check each version against the affected-products list above.
Remediation status
No patch has shipped for CVE-2026-84272 yet — track the ibm guardium data protection advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

O3 Security · Runtime Protection

Is CVE-2026-84272 being exploited in your environment?

Detect and block the exploit chain at execution, on systems you cannot patch yet.

Protect my workloads How runtime protection works