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NOTABLECVE-2026-87337 +10NATOA2vulnerability

Oracle October 2026 Critical Patch Update: six unauthenticated network CVSS 10.0 rows in Access Manager, SOA Suite, E-Business Suite and JD Edwards, and WebLogic CVSS 9.8 flaws reachable over HTTP and T3/IIOP

Oracle's October CPU carries six unauthenticated CVSS 10.0 rows and two WebLogic 9.8 flaws; none is reported exploited

Analysis

Oracle's Critical Patch Update advisory of 2026-10-20 contains 1295 new security patches (Oracle, 2026-10-20). Its risk matrices score 112 rows at CVSS 3.1 9.0 or higher, and 90 of those, covering 73 distinct CVE ids, are marked as remotely exploitable without authentication with a network attack vector (Oracle, 2026-10-20). Six rows score 10.0: CVE-2026-87337 in the Access Manager Authentication Engine (HTTP), CVE-2026-91231 in the SOA Suite Adapters (HTTP), CVE-2026-91216 and CVE-2026-91221 in the SOA Suite Fabric Layer (T3 and IIOP), CVE-2026-101809 in the E-Business Suite Workflow Notification Mailer (HTTP, 12.2.3 to 12.2.15) and CVE-2026-91299 in the JD Edwards EnterpriseOne Orchestrator security component (HTTP, 9.2.0.0 to 9.2.26.5) (Oracle, 2026-10-20). WebLogic Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0 carry CVE-2026-91323 (HTTP) and CVE-2026-83399 (T3 and IIOP) at 9.8 and CVE-2026-87302 (HTTP) at 9.1; Identity Manager's End User Self Service has CVE-2026-91408 (T3 and IIOP, 9.8) and Access Manager's SAML path CVE-2026-87251 (9.8) (Oracle, 2026-10-20). The advisory states no exploitation for any row and carries only Oracle's standing sentence that it receives reports of attempts to exploit already-patched flaws (Oracle, 2026-10-20). Oracle points to My Oracle Support documents for patch availability (Oracle, 2026-10-20).

Cited evidence

This Critical Patch Update contains 1295 new security patches across the product families listed below.

Oracle continues to periodically receive reports of attempts to maliciously exploit vulnerabilities for which Oracle has already released security patches.

Oracle

Sources1

Oracle (Critical Patch Update Advisory, October 2026)primary · 2026-10-20
PROVENANCE

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