Quick answers
- Is CVE-2026-68833 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-68833 being exploited in the wild.
- How severe is CVE-2026-68833?
- Medium severity, with a CVSS score of 6.8, published 8 September 2026.
- Which products and versions are affected?
- Microsoft Windows NTFS <UNKNOWN>.
- Is there a fix for CVE-2026-68833?
- 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-2026-68833 attacked?
- It is attacked with physical access.
- Am I affected by CVE-2026-68833?
- Check whether you run Microsoft Windows NTFS 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 heap-based buffer overflow exists in the Windows NTFS file system driver. The vulnerability is triggered during NTFS metadata processing and can be exploited via maliciously crafted file system structures. Physical access to the machine is required to exploit this flaw, such as by connecting a compromised storage device or modifying the file system on disk. Successful exploitation allows arbitrary code execution with kernel-level privileges. A patch is likely available through Microsoft's regular security updates.
Affected products
- Microsoft Windows NTFS <UNKNOWN>
Timeline
- 2026-09-08: disclosed