Quick answers
- Is CVE-2026-70113 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-70113 being exploited in the wild.
- How severe is CVE-2026-70113?
- High severity, with a CVSS score of 7.8, published 13 October 2026.
- Which products and versions are affected?
- Microsoft Windows Client for NFS.
- Is there a fix for CVE-2026-70113?
- 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-2026-70113 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-70113?
- 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
An integer overflow or wraparound vulnerability exists in Windows Client for NFS that allows an authenticated local attacker to elevate privileges. The flaw requires the attacker to have existing local access to the system. Exploitation leads to privilege escalation to system or administrative level.
Affected products
- Microsoft Windows Client for NFS
Timeline
- 2026-10-13: disclosed