Quick answers
- Is CVE-2026-101510 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-101510 being exploited in the wild.
- How severe is CVE-2026-101510?
- Medium severity, with a CVSS score of 4.4, published 20 October 2026.
- Which products and versions are affected?
- Oracle Database Server 19.3-19.32, 21.3-21.23, 23.4.0-23.26.3.
- Is there a fix for CVE-2026-101510?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-101510 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-101510?
- Check whether you run Oracle Database Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A local denial-of-service vulnerability in Oracle Net Services allows high-privileged attackers with logon access to the infrastructure to trigger a hang or repeatable crash of the service. The vulnerability requires high privileges (PR:H) and local attack vector (AV:L) with no user interaction. A fix exists as this is part of Oracle's October 2026 CPU.
Affected products
- Oracle Database Server 19.3-19.32, 21.3-21.23, 23.4.0-23.26.3
Timeline
- 2026-10-20: disclosed