Actively exploited · Published Jan 14, 2020 · Assigned by microsoft
CVE-2020-0638
High 7.8 Exploited Ransomware
In plain English
A high-severity security flaw in Windows from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on May 23, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities). Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Jun 13, 2022.
Official 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'.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows | 10 Version 1709 for 32-bit Systems10 Version 1803 for 32-bit Systems10 Version 1809 for ARM64-based Systems10 Version 1803 for x64-based Systems10 Version 1709 for ARM64-based Systems10 Version 1709 for x64-based Systems10 Version 1803 for ARM64-based Systems10 Version 1809 for 32-bit Systems |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | unspecified |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | unspecified |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | unspecified |
| Microsoft | Windows Server | 20192019 (Core installation)version 1803 (Core Installation) |
| Microsoft | Windows Server, version 1903 (Server Core installation) | unspecified |
| Microsoft | Windows 10 Version 1909 for 32-bit Systems | unspecified |
| Microsoft | Windows 10 Version 1909 for x64-based Systems | unspecified |
| Microsoft | Windows Server, version 1909 (Server Core installation) | unspecified |
| Microsoft | Windows 10 Version 1909 for ARM64-based Systems | unspecified |
Weakness: CWE-59 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H