Oracle's October 2026 Critical Patch Update fixes six high-severity vulnerabilities in Oracle Capacity, part of Oracle E-Business Suite. The flaws affect versions 12.2.3 through 12.2.15, and Oracle as the CNA scores them 7.5 to 8.8 under CVSS 3.1.
Two vulnerabilities permit unauthorized access to critical data. The remaining two can result in full takeover of Oracle Capacity.
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Oracle's October 2026 Critical Patch Update includes 38 new security patches for Oracle Essbase 21.8.3.0.0. Oracle as the CNA scores four of the flaws 9.9 under CVSS 3.1 and one at 9.8.
Oracle has patched CVE-2026-91241, a flaw in Oracle Business Intelligence Enterprise Edition that it rates 9.1 Critical under CVSS 3.1, in versions 8.2.0.0.0, 12.2.1.4.0 and 26.01.0.0.0. The fix shipped in Oracle's October 2026 Critical Patch Update, and Oracle urges customers to apply it promptly.
Oracle's October 2026 Critical Patch Update fixes CVE-2026-101525 and CVE-2026-101526 in Enterprise Manager for Siebel 13.5 and 24.1. Oracle rated both 8.8; low-privileged network attackers could take over the product.
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