Quick answers
- Is CVE-2026-118141 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-118141 being exploited in the wild.
- How severe is CVE-2026-118141?
- High severity, with a CVSS score of 8.8, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows Client for NFS.
- Is there a fix for CVE-2026-118141?
- 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-2026-118141 attacked?
- It is attacked over the network, in an operating system.
- Am I affected by CVE-2026-118141?
- Check whether you run Microsoft Windows Client for NFS. 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 stack-based buffer overflow exists in Windows Client for NFS that can be triggered remotely without authentication. The vulnerability allows an attacker to overwrite the stack and achieve arbitrary code execution. A patch from Microsoft is available.
Affected products
- Microsoft Windows Client for NFS
Timeline
- 2026-11-10: disclosed