How severe is CVE-2026-46968?

CVE-2026-46968 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-46968 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-46968?

CVE-2026-46968 primarily affects Oracle Jre. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-46968?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-46968 published?

CVE-2026-46968 was published on 2026-07-21 and last updated on 2026-07-31.

CVE-2026-46968

CVE-2026-46968 is a medium-severity vulnerability in Oracle Jre with a CVSS 3.x base score of 5.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-284
Affected product: Oracle Jre
Published: 2026-07-21
Last modified: 2026-07-31

Description

Vulnerability in Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

Frequently asked questions

What is CVE-2026-46968?: Vulnerability in Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 8u491, 8u491-perf, 11.0.31, 17.0.19, 21.0.11, 25.0.3, 26.0.1; Oracle GraalVM for JDK: 17.0.19 and 21.0.11; Oracle GraalVM Enterprise Edition: 21.3.18. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Java SE accessible data. Note: This vulnerability can only be exploited by supplying data to APIs in the specified Component without using Untrusted Java Web Start applications or Untrusted Java applets, such as through a web service. CVSS 3.1 Base Score 5.9 (Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).
How severe is CVE-2026-46968?: CVE-2026-46968 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-46968 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-46968?: CVE-2026-46968 primarily affects Oracle Jre. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-46968?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-46968 published?: CVE-2026-46968 was published on 2026-07-21 and last updated on 2026-07-31.

References

https://www.oracle.com/security-alerts/cpujul2026.html

Affected products (17)

cpe:2.3:a:oracle:jre:1.8.0:update491:*:*:-:*:*:*
cpe:2.3:a:oracle:jre:1.8.0:update491:*:*:enterprise_performance_pack:*:*:*
cpe:2.3:a:oracle:jre:11.0.31:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:17.0.19:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:21.0.11:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:25.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jre:26.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:1.8.0:update491:*:*:-:*:*:*
cpe:2.3:a:oracle:jdk:1.8.0:update491:*:*:enterprise_performance_pack:*:*:*
cpe:2.3:a:oracle:jdk:11.0.31:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:17.0.19:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:21.0.11:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:25.0.3:*:*:*:*:*:*:*
cpe:2.3:a:oracle:jdk:26.0.1:*:*:*:*:*:*:*
cpe:2.3:a:oracle:graalvm:21.3.18:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm_for_jdk:17.0.19:*:*:*:*:*:*:*
cpe:2.3:a:oracle:graalvm_for_jdk:21.0.11:*:*:*:*:*:*:*

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