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Oracle Critical Security Patch Update August 2026

Released August 2026 · Oracle's advisory ↗ · ← Critical Patch Update, July 2026 · Security Patch Update, September 2026 →

1,021 CVEs in this release, one square each

Protected by Waratek, exploitedProtected by Waratek, exploitedProtected by Waratek, exploitedProtected by Waratek, exploitedProtected by Waratek, exploitedProtected by WaratekProtected by WaratekProtected by WaratekProtected by WaratekProtected by WaratekProtected by WaratekProtected by WaratekProtected by WaratekProtected by WaratekMitigation candidate, exploitedMitigation candidate, exploitedMitigation candidate, exploitedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit 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publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedNo exploit publishedOutside Waratek scopeOutside Waratek scopeOutside Waratek scopeOutside Waratek scopeOutside Waratek scopeOutside Waratek scopeOutside Waratek scopeOutside Waratek scopeOutside Waratek scopeNot applicable, exploitedNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot applicableNot 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Share this chart Oracle Critical Security Patch Update August 2026, one square per CVE: 911 Java CVEs, 14 protected by Waratek, 9 exploited, 110 other CVEs in this release.

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By status

14Protected by Waratek3Mitigation candidate894No exploit published9Outside Waratek scope101Not applicable 9Exploited, marked by the ring

No exploit published. For 848 of them, Oracle's security advisory is the source of public detail.

Protected by Waratek. Waratek RASP can block exploitation of these on systems that have not applied the patch yet.

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Columns
EPSS ≥ 0.5✕
Overview 5 matches · 4 protected · 3 exploited · 2 CISA KEV
5matches 4protected80.0% 3exploited60.0% 2CISA KEV40.0%
Protected by Waratek 4 80.0% Rule in development 0 0.0% Mitigation candidate 1 20.0% No exploit published 0 0.0%
Critical 0 0.0% High 5 100.0% Medium 0 0.0% Low 0 0.0% None 0 0.0% Unknown 0 0.0%
blocked by ARMR today 4 80.0% partly blocked 0 0.0% not blocked 1 20.0% not established 0 0.0% unrecorded 0 0.0%
Exploited 3 60.0% Working exploit published 0 0.0% Proof of concept only 2 40.0% Forecast only 0 0.0% No public exploit 0 0.0%
split by peak 1 / quarter
Mitigation candidate: 1Protected by Waratek: 4 High: 5 not blocked: 1blocked by ARMR today: 4 Proof of concept only: 2Exploited: 3
Q4 211 Protected by Waratek1 High1 blocked by ARMR today1 Exploited1 Q1 220 Q2 220 Q3 221 Protected by Waratek1 High1 blocked by ARMR today1 Proof of concept only1 Q4 220 Q1 231 Protected by Waratek1 High1 blocked by ARMR today1 Exploited1 Q2 230 Q3 230 Q4 231 Mitigation candidate1 High1 not blocked1 Exploited1 Q1 241 Protected by Waratek1 High1 blocked by ARMR today1 Proof of concept only1
Q4 21Q1 22Q2 22Q3 22Q4 22Q1 23Q2 23Q3 23Q4 23Q1 24
5 matches Sign in to download these CVEs as CSV or JSON, or to follow them in a feed.
CVE Severity Published▾ Status Exploitation Description
CVE-2024-20931 High 2024-02-17 Protected by Waratek Proof of concept only Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
CVE-2023-44487 High 2023-10-10 Mitigation candidate Exploited The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
CVE-2023-21839 High 2023-01-18 Protected by Waratek Exploited Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core). Supported versions that are affected are 12.2.1.3.0, 12.2.1.4.0 and 14.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via T3, IIOP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
CVE-2022-34169 High 2022-07-19 Protected by Waratek Proof of concept only The Apache Xalan Java XSLT library is vulnerable to an integer truncation issue when processing malicious XSLT stylesheets. This can be used to corrupt Java class files generated by the internal XSLTC compiler and execute arbitrary Java bytecode. Users are recommended to update to version 2.7.3 or later. Note: Java runtimes (such as OpenJDK) include repackaged copies of Xalan.
CVE-2021-4104 High 2021-12-14 Protected by Waratek Exploited JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide TopicBindingName and TopicConnectionFactoryBindingName configurations causing JMSAppender to perform JNDI requests that result in remote code execution in a similar fashion to CVE-2021-44228. Note this issue only affects Log4j 1.2 when specifically configured to use JMSAppender, which is not the default. Apache Log4j 1.2 reached end of life in August 2015. Users should upgrade to Log4j 2 as it addresses numerous other issues from the previous versions.