Quick answers
- Is CVE-2026-83923 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-83923 being exploited in the wild.
- How severe is CVE-2026-83923?
- High severity, with a CVSS score of 8.8, published 13 October 2026.
- Which products and versions are affected?
- Microsoft OpenSSH for Windows.
- Is there a fix for CVE-2026-83923?
- 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-2026-83923 attacked?
- It is attacked over the network, in an operating system.
- Am I affected by CVE-2026-83923?
- Check whether you run Microsoft OpenSSH for Windows. 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 relative path traversal flaw in OpenSSH for Windows permits unauthenticated remote code execution. The vulnerability is exploitable over the network, allowing an attacker to traverse directory structures and execute arbitrary commands on the affected host.
Affected products
- Microsoft OpenSSH for Windows
Timeline
- 2026-10-13: disclosed