--- title: Oracle Critical Patch Update April 2026 description: Stay secure with Oracle's April 2026 Critical Patch Update, featuring 483 fixes for critical vulnerabilities across numerous products. 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These releases are engineered to limit exposure to emerging threats, from code-level weaknesses through to issues in embedded third-party components. Applying these CPUs on a regular, structured basis is one of the most effective ways to enhance the security posture and operational resilience of your Oracle estate. This quarter’s Critical Patch Update includes 481 new security fixes across the Oracle portfolio, resolving 291 critical vulnerabilities that in many cases can be exploited remotely without authentication. To safeguard your Oracle estate and minimise exposure, these CPU patches should be scheduled and applied with the highest priority.   ## What should I do? Below is a list of affected products and the number of identified vulnerabilities for each. If you use any of these products, you must take the necessary action to address the potential vulnerabilities in your estate. But don’t worry. DSP is here to help. Customers frequently approach us at this time to utilise our [Oracle Critical Patch Update Support Service](https://www.dsp.co.uk/oracle-critical-patch-update-support) to help stay on top of their patches. So, please [get in touch](mailto:enquiries@dsp-explorer.com) if this is an area of concern for you. ## List of identified products and vulnerabilities The number in bold = the number of security patches The numbers in (brackets) = the number of vulnerabilities - [Oracle Database Server](https://www.dsp.co.uk/oracle-consultancy): 8** **(4) - [Oracle GoldenGate](https://www.dsp.co.uk/oracle-goldengate-services): 10 (7) - [Oracle E-Business Suite](https://www.dsp.co.uk/oracle-ebs-services): 18 (8) - Oracle Enterprise Manager (OEM): **10**** **(9)  - [Oracle Financial Services Applications](https://www.dsp.co.uk/it-services-for-finance): 73 (57) - Oracle Fusion Middleware: **59**** **(46) - Oracle Analytics: **16**** **(12) - [Oracle Hyperion](https://www.dsp.co.uk/oracle-hyperion-services): 6 (4) - Oracle Java SE: **12**** **(8) - [Oracle JD Edwards](https://www.dsp.co.uk/jd-edwards-services): 3 (3) - [Oracle MySQL](https://www.dsp.co.uk/mysql-consultancy): 34** **(3)  - [Oracle PeopleSoft](https://www.dsp.co.uk/oracle-peoplesoft-services): 21** **(7) - [Oracle Retail Applications](https://www.dsp.co.uk/it-retail-support): **17 **(15) - Oracle Siebel CRM: **14**** **(13) - [Oracle Supply Chain](https://www.dsp.co.uk/oracle-scm-support): 4** **(2) - Oracle Utilities Applications: **7**** **(6) - Oracle Virtualization: **9 **(1) Although a long list of vulnerabilities might seem daunting, securing your hardware and applications is essential. You can protect your environment effectively by staying proactive and regularly applying Critical Patch Updates. Here is the list for details on all the [patches](https://www.oracle.com/security-alerts/cpuapr2026.html). Your system's safety is our priority. If you would like [Oracle Critical Patch Update Support](https://www.dsp.co.uk/oracle-critical-patch-update-support), please [Contact Us](https://www.dsp.co.uk/contact-us) or book a meeting... 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