CVE-2026-84271 IBM Guardium Data Protection - Authentication Bypass

IBM Guardium Data Protection 12.2 contains a signature verification bypass caused by a flaw in the patch installer, letting local attackers execute arbitrary code with root privileges, exploit requires local access.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.07% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Remote Code Execution, Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 October 2026
Updated
15 October 2026
Weakness
CWE-362 CWE-347

Vendor fix

Update to the latest version with the patch installer fix.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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