Jan 2020:
CVE-2020-0638 Published on January 14, 2020

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'.

NVD

Known Exploited Vulnerability

This Microsoft Update Notification Manager Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Update Notification Manager contains an unspecified vulnerability that allows for privilege escalation.

The following remediation steps are recommended / required by June 13, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2020-0638 is exploitable with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an insecure temporary file Vulnerability?

The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

CVE-2020-0638 has been classified to as an insecure temporary file vulnerability or weakness.


Products Associated with CVE-2020-0638

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2020-0638 are published in these products:

Microsoft Windows 10
 
Microsoft Windows Server 2016
 
Microsoft Windows Server 2019
 
Microsoft Windows Server 1803
 
Microsoft Windows Server 1903
 
Microsoft Windows 10 1909
 
Microsoft Windows 10 1903
 
Microsoft Windows Server 1909
 
Microsoft Windows 10 1709
 
Microsoft Windows 10 1803
 
Microsoft Windows
 
Microsoft Windows Server
 

Affected Versions

Microsoft Windows: Microsoft Windows 10 Version 1903 for ARM64-based Systems: Microsoft Windows 10 Version 1903 for 32-bit Systems: Microsoft Windows 10 Version 1903 for x64-based Systems: Microsoft Windows Server: Microsoft Windows Server, version 1903 (Server Core installation): Microsoft Windows 10 Version 1909 for 32-bit Systems: Microsoft Windows 10 Version 1909 for x64-based Systems: Microsoft Windows Server, version 1909 (Server Core installation): Microsoft Windows 10 Version 1909 for ARM64-based Systems:

Exploit Probability

EPSS
1.48%
Percentile
80.67%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.