An Essential/Critical Patch Update could be a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and third-party components embedded in Oracle products. These patches are sometimes additive, however, every informative describes only the protection patches intercalary since the previous essential Patch Update informative.

Below is the list of Oracle Critical Patch IDs for all versions (26i, 21c, 19c) of Grid & Databases, along with combo PSU, EXADATA, and SUPERCLUSTER patch IDs for April 2026. All patch IDs are enabled using the direct download link.

Version 26i (26.0.0.0)

Version 21c (21.0.0.0)

Version 19c (19.0.0.0)

Click here to read about Steps to Apply Combo Patch on Clusterware in Two Node RAC in Oracle.

The next four dates for Critical Patch Updates are:

• 21st Jul 2026
• 20th Oct 2026
• 19th Jan 2027
• 20th Apr 2027

Click here to get patching-related articles.

Key points to remember:

**All patch IDs are enabled with the direct download link.
**To download patches, you need valid credentials of Oracle support/Metalink.
**Oracle provides all patch IDs, visit DOC CPU58.
**Most patches have been revealed for Linux except Exadata and Supercluster. A few platforms will be revealed soon. Refer to the above tables for ETA.
**21c does not have COMBO or OJVM patches. Instead, the OJVM fixes are contained within the DB RU and the GU RU patches.
**Team DBsGuru is not chargeable for patch transfer/download to apply or any error that occurs while the patch applies, so transfer/download the proper patch for the desired version and platform.
** Oracle client home patch ID is the same patch ID as Oracle database server home-specific platform UNIX or WINDOWS, i.e, applicable on both.
**Always suggest reviewing the patch readme, specific to the patch ID, before applying.
**Feel free to reach us for any help/suggestions required on the patch. Drop your valuable concerns/suggestions within the comment/chat section.
**Click here to get patch delivery methods for 12.2.0.1 and greater (Doc ID 2337415.1).
**Click here to get patch delivery methods for 12.1.0.2 and order (Doc ID Note 1962125.1).
**Beginning with the October 2022 patching cycle, 19c RURs will no longer be provided for 19.17.0 and above. No additional RURs will be delivered on any platform after the delivery of Oracle Database 19c RUR 19.16.2 in January 2023. For further details, refer to Sunsetting of 19c RURs and FAQ (Note 2898381.1).
**Frequent access to recommended and well-tested collections of patches, Oracle is introducing Monthly Recommended Patches (MRPs) starting in Nov 2022. MRPs are supported only on the Linux x86-64 platform. Refer to Introducing Monthly Recommended Patches (MRPs) and FAQ (Note 3036945.1) for more details.
**Feel free to reach us for any help/suggestions required on the patch. Drop your valuable concerns/suggestions within the comment/chat section.

This document is just for learning purposes and always validate in the LAB environment first before applying it in the LIVE environment.

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• Oracle Critical Database Patch ID for April 2026 along with enabled Download Link
• Oracle Critical Database Patch ID for July 2025 along with enabled Download Link
• Oracle Critical Database Patch ID for April 2025 along with enabled Download Link
• Oracle Critical Database Patch ID for January 2025 along with enabled Download Link
• Oracle Critical Database Patch ID for October 2024 along with enabled Download Link
• Oracle Critical Database Patch ID for July 2024 along with enabled Download Link