CVE-2020-0638
An elevation of privilege vulnerability exists in the way the Update Notification Manager handles files.To exploit this vulnerability, an…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
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'.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Update Notification Manager Privilege Escalation Vulnerability.
- Added
- 23 May 2022
- Fix due (US federal)
- 13 Jun 2022
- Used by ransomware
- Known
Apply updates per vendor instructions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected 10 Version 1709 for 32-bit Systems
- affected 10 Version 1803 for 32-bit Systems
- affected 10 Version 1809 for ARM64-based Systems
- affected 10 Version 1803 for x64-based Systems
- affected 10 Version 1709 for ARM64-based Systems
- affected 10 Version 1709 for x64-based Systems
- affected 10 Version 1803 for ARM64-based Systems
- affected 10 Version 1809 for 32-bit Systems
- affected 10 Version 1809 for x64-based Systems
Microsoft · Windows 10 Version 1903 for ARM64-based Systems
- affected unspecified
Microsoft · Windows 10 Version 1903 for 32-bit Systems
- affected unspecified
Microsoft · Windows 10 Version 1903 for x64-based Systems
- affected unspecified
- affected 2019
- affected 2019 (Core installation)
- affected version 1803 (Core Installation)
Microsoft · Windows Server, version 1903 (Server Core installation)
- affected unspecified
Microsoft · Windows 10 Version 1909 for 32-bit Systems
- affected unspecified
Microsoft · Windows 10 Version 1909 for x64-based Systems
- affected unspecified
Microsoft · Windows Server, version 1909 (Server Core installation)
- affected unspecified
Microsoft · Windows 10 Version 1909 for ARM64-based Systems
- affected unspecified
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-0638)Record last updated .