# CVE-2020-0638

An elevation of privilege vulnerability exists in the way the Update Notification Manager handles files.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Update Notification Manager Elevation of Privilege Vulnerability'.

- Page: https://www.vulneraibility.com/cve/CVE-2020-0638
- CVSS: 7.8
- Known exploited: yes, in CISA KEV since 2022-05-23; CISA due date 2022-06-13; known ransomware use
- EPSS: 2.54% (percentile 85.2)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2022-07-01)
- Weakness: CWE-59
- Published: 2020-01-14

## Affected versions

- Microsoft Windows: affected 10 Version 1709 for 32-bit Systems; 10 Version 1803 for 32-bit Systems; 10 Version 1809 for ARM64-based Systems; 10 Version 1803 for x64-based Systems; 10 Version 1709 for ARM64-based Systems; 10 Version 1709 for x64-based Systems; 10 Version 1803 for ARM64-based Systems; 10 Version 1809 for 32-bit Systems; 10 Version 1809 for x64-based Systems
- Microsoft Windows Server: affected 2019; 2019  (Core installation); version 1803  (Core Installation)

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

## References

- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0638
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0638

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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.