CVE-2026-46917: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected ar

mediumCVSS 5.3CVE-2026-46917

Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE). Supported versions that are affected are Oracle Java SE: 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. Easily exploitable vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. 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 5.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 5.3
Published: 2026-07-21
Last updated: 2026-07-23
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-46917

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-469170.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-46917	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

medium[NEW] [medium] Oracle Java SE: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Oracle Java SE (July 23, 2026)cert-fr-avis
unknownNCSC-2026-0261 [1.00] [M/H] Vulnerabilities fixed in Oracle Java SEncsc-nl
mediumCVE-2026-46917: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition…msrc

Recent advisories for Oracle Java SE

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[NEW] [medium] Oracle Java SE: Multiple vulnerabilitiescert-bund · 2026-07-31
unknownMultiple vulnerabilities in Oracle Java SE (July 23, 2026)cert-fr-avis · 2026-07-23
unknownNCSC-2026-0261 [1.00] [M/H] Vulnerabilities fixed in Oracle Java SEncsc-nl · 2026-07-22
highCVE-2026-62574: Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition…nvd · 2026-07-21
mediumCVE-2026-60526: Vulnerability in Oracle Java SE (component: Installation). Supported versions that are affecte…nvd · 2026-07-21
lowCVE-2026-60166: Vulnerability in Oracle Java SE (component: JavaFX). The supported version that is affected is…nvd · 2026-07-21