CVE-2020-0638
Actively exploited. CVE-2020-0638 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Microsoft Update Notification Manager contains an unspecified vulnerability that allows for privilege escalation.
CSIRTS triage
- What
- Microsoft Update Notification Manager contains an unspecified vulnerability that allows for privilege escalation.
- Who is affected
- Deployments of Microsoft Update Notification Manager.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Update to the latest version of Microsoft Update Notification Manager.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 85% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2020-0638: Microsoft Update Notification Manager Privilege Escalation Vulnerabilitycisa-kev · 2022-05-23
External references
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[](https://www.csirts.com/cve/CVE-2020-0638)