CVE-2020-0638 Microsoft Update Notification Manager Privilege Escalation
An attacker with local access can exploit file handling flaws in the Update Notification Manager to elevate privileges on Windows systems.
- Exploited in the wild
- Since 23 May 2022
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-0638?
CVE-2020-0638 is a high-severity vulnerability in Microsoft Windows 10 1809, published on 14 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.
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'.
Weakness: CWE-59
Which versions are affected by CVE-2020-0638?
It affects 9 products.
Products include Microsoft Windows 10 1709, Microsoft Windows 10 1803, Microsoft Windows 10 1809, Microsoft Windows 10 1903, Microsoft Windows 10 1909, Microsoft Windows Server 1803 and 3 more.
How do I fix CVE-2020-0638?
No fix has been published for CVE-2020-0638 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 13 Jun 2022.
Is CVE-2020-0638 being exploited?
Yes. Attackers have exploited CVE-2020-0638 in the wild since at least 23 May 2022, including in ransomware campaigns.
Other vulnerabilities in Microsoft Windows 10 1809
Sources
Also known as GHSA-53p9-m4mr-wp8x.