Active Exploitation of Oracle PeopleSoft Zero-Day (CVE-2026-35273)

Overview On June 10, 2026, Oracle published a security alert for CVE-2026-35273 , a critical vulnerability in the Updates Environment Management component of PeopleSoft Enterprise PeopleTools. Oracle released an out-of-band patch the same day as the advisory, underscoring the urgency of remediation. The vulnerability has a CVSSv3.1 score of 9.8 and is remotely exploitable without authentication.