CVE-2026-56857

Published 8 October 2026 · tracked since 9 October 2026

Description

On Windows, when the target of Root.Mkdir or Root.MkdirAll is a junction pointing to an empty location, the operation can create a directory at the junction target even when that target is located outside the root. This only applies to operations where the last path component is a junction (path/to/

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-107910 HIGH 8.1
• CVE-2026-107911 HIGH 7.5
• CVE-2026-7826 CRITICAL 9.1
• CVE-2026-7827 HIGH 8.1
• CVE-2026-5759 CRITICAL 9.8
• CVE-2026-107888 MEDIUM 5.1
• CVE-2026-88131 CRITICAL 9.8
• CVE-2026-107729 MEDIUM 5.5
• CVE-2026-107730 MEDIUM 5.5
• CVE-2026-107731 MEDIUM 5.5

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