Quick answers
- Is CVE-2026-112803 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-112803 being exploited in the wild.
- How severe is CVE-2026-112803?
- Medium severity, with a CVSS score of 5.5, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows Cloud Files Mini Filter Driver.
- Is there a fix for CVE-2026-112803?
- 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-2026-112803 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-112803?
- Check whether you run Microsoft Windows Cloud Files Mini Filter Driver. 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
The Cloud Files Mini Filter Driver improperly enforces access control checks, allowing an authenticated local user to disclose information that should be protected. This requires prior authorization and local access to the system; the vulnerability is triggered through standard file access operations. A successful exploit results in information disclosure of files that would normally be restricted.
Affected products
- Microsoft Windows Cloud Files Mini Filter Driver
Timeline
- 2026-11-10: disclosed