- Software type
- Other
- Total vulnerabilities (90 days)
- 1
- Products & ServicesProducts & Services
- SolutionsSolutions
- PricingPricing
- CompanyCompany
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As of 10/27/2026, os recorded 1 security vulnerability in the last 90 days, of which 1 is rated High or Critical. None of these vulnerabilities is actively exploited (KEV) according to CISA's catalog. CyStack recommends that organizations and individual users apply patches as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of os and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-56857Root.Mkdir(All) can follow junctions out of the root on Windows in osCVE-2026-39822Root escape via symlink plus trailing slash in osCVE-2026-27139FileInfo can escape from a Root in osCVE-2025-22873Improper access to parent directory of root in osCVE-2025-0913Inconsistent handling of O_CREATE|O_EXCL on Unix and Windows in os in syscall| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-56857Root.Mkdir(All) can follow junctions out of the root on Windows in os | Exploitation statusNot exploited | FixYes | Published10/08/2026 | SeverityCritical |
CVE-2026-39822Root escape via symlink plus trailing slash in os | Exploitation statusNot exploited | FixYes | Published07/08/2026 | SeverityHigh |
CVE-2026-27139FileInfo can escape from a Root in os | Exploitation statusNot exploited | FixYes | Published03/06/2026 | SeverityLow |
CVE-2025-22873Improper access to parent directory of root in os | Exploitation statusNot exploited | FixYes | Published02/04/2026 | SeverityLow |
CVE-2025-0913Inconsistent handling of O_CREATE|O_EXCL on Unix and Windows in os in syscall | Exploitation statusNot exploited | FixYes | Published06/11/2025 | SeverityMedium |
CVE-2022-41720Restricted file access on Windows in os and net/http | Exploitation statusNot exploited | FixYes | Published12/07/2022 | SeverityHigh |
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