Oracle Releases October 2026 Critical Patch Update Fixing 1,295 Vulnerabilities Across Multiple Products
Oracle has published its quarterly Critical Patch Update (CPU) on October 20, 2026, delivering a total of 1,295 security patches for a wide range of products. After removing duplicates, the update addresses 1,209 unique CVEs. The highest number of fixes went to Oracle Fusion Middleware with 206 patches, followed by Oracle E-Business Suite with 194, Oracle Communications with 110, Oracle MySQL with 98, and Oracle Java SE with 55. Among the vulnerabilities, 587 received a CVSSv3 base score of 7.0 or higher, including 112 rated 9.0 or above. Six vulnerabilities scored the maximum 10.0, one of which is CVE-2026-101809 in Oracle E-Business Suite Workflow Notification Mailer that can be exploited remotely without authentication over HTTP.
Security NEXTOct 21, 2026Translated from Japanese