CVE-2026-81657

IBM Guardium Data Protection 12.2 could allow a remote unauthenticated attacker to execute arbitrary code on the system due to the deserialization of untrusted data.

  • Published Sep 18, 2026
  • CVSS 9.8 critical
  • 0.8% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-81657 at the National Vulnerability Database