Quick answers
- Is CVE-2026-105506 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-105506 being exploited in the wild.
- How severe is CVE-2026-105506?
- Medium severity, with a CVSS score of 5, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows Shell.
- Is there a fix for CVE-2026-105506?
- 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-2026-105506 attacked?
- It is attacked with local access.
- Am I affected by CVE-2026-105506?
- Check whether you run Microsoft Windows Shell. 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 buffer over-read vulnerability exists in Windows Shell that allows an authenticated local attacker to read beyond allocated memory boundaries. The vulnerability requires local access and valid credentials; successful exploitation discloses sensitive information resident in process memory.
Affected products
- Microsoft Windows Shell
Timeline
- 2026-11-10: disclosed