MEDIUMCVSS v3.1 4.8Vulnerability

CVE-2026-83378

Vulnerability in Oracle Java SE (component: Compiler). Supported versions that are affected are Oracle Java SE: 21.0.12.1, 25.0.4.1 and 27. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Java SE accessible data as well as unauthorized read access to a subset of 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 4.8 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-22T22:14:18.200859+00:00
Epss score
0.0022
Cvss score
4.8
Cvss severity
MEDIUM
Retrieved at
2026-10-22T22:17:35+00:00
Score
4.8
Last source
FIRST EPSS
Cvss version
3.1
Cve id
CVE-2026-83378
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
First seen by Signal
2026-10-21T22:34:38+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Published at
2026-10-20T22:19:54.040
Last modified
2026-10-21T18:44:19.627
Epss percentile
0.11774

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CVE-2026-83378 (CVSS v3.1 4.8) — Ninja Signal Threat Intelligence | Ninja Signal