Quick answers
- Is CVE-2026-87277 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-87277 being exploited in the wild.
- How severe is CVE-2026-87277?
- High severity, with a CVSS score of 7.5, published 15 September 2026.
- Which products and versions are affected?
- Oracle Vm Virtualbox 7.2.16.
- Is there a fix for CVE-2026-87277?
- 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-2026-87277 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-87277?
- Check whether you run Oracle Vm Virtualbox 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
This is a denial-of-service vulnerability in Oracle VM VirtualBox 7.2.16's RDP (Remote Desktop Protocol) handling component. The vulnerability is easily exploitable and requires only network access; no authentication or user interaction is needed. An unauthenticated attacker can send specially crafted RDP traffic to cause the VirtualBox process to hang or crash repeatedly, resulting in complete unavailability of virtualized systems. The vulnerability has been rated high severity with a CVSS 3.1 score of 7.5 affecting availability.
Affected products
- Oracle VM VirtualBox 7.2.16
Timeline
- 2026-09-15: disclosed