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'.

References

• https://nvd.nist.gov/vuln/detail/CVE-2020-0638
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0638