# CVE-2019-1069

An elevation of privilege vulnerability exists in the way the Task Scheduler Service validates certain file operations. An attacker who successfully exploited the vulnerability could gain elevated privileges on a victim system. To exploit the vulnerability, an attacker would require unprivileged code execution on a victim system. The security update addresses the vulnerability by correctly validating file operations.

- Page: https://www.vulneraibility.com/cve/CVE-2019-1069
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-03-15; CISA due date 2022-04-05; known ransomware use
- EPSS: 6.17% (percentile 93.6)
- Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept (first 2019-06-03)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2022-03-14)
- Weakness: CWE-59
- Published: 2019-06-12

## Affected versions

- Microsoft Windows 10 Version 1507: affected >= 10.0.10240.0 and < publication
- Microsoft Windows 10 Version 1607: affected >= 10.0.14393.0 and < publication
- Microsoft Windows 10 Version 1703: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1709: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1709 for 32-bit Systems: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1803: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1809: affected >= 10.0.17763.0 and < publication; >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1903 for 32-bit Systems: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1903 for ARM64-based Systems: affected >= 10.0.0 and < publication
- Microsoft Windows 10 Version 1903 for x64-based Systems: affected >= 10.0.0 and < publication
- Microsoft Windows Server 2016: affected >= 10.0.14393.0 and < publication
- Microsoft Windows Server 2016 (Server Core installation): affected >= 10.0.14393.0 and < publication
- Microsoft Windows Server 2019: affected >= 10.0.17763.0 and < publication
- Microsoft Windows Server 2019 (Server Core installation): affected >= 10.0.17763.0 and < publication
- Microsoft Windows Server, version 1803  (Server Core Installation): affected >= 10.0.0 and < publication
- Microsoft Windows Server, version 1903 (Server Core installation): affected >= 10.0.0 and < publication

A version outside these ranges is not a statement that it is unaffected.

## References

- [advisory] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1069
- [advisory] https://www.kb.cert.org/vuls/id/119704
- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1069
- [other] https://blog.0patch.com/2019/06/another-task-scheduler-0day-another.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1069

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.