CVEvulnerability

CVE-2020-0638

7.8 HIGH Known exploited Published 2020-01-14 Modified 2026-08-12 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Update Notification Manager Privilege Escalation Vulnerability — Microsoft Update Notification Manager

Microsoft Update Notification Manager contains an unspecified vulnerability that allows for privilege escalation.

Added to KEV
2022-05-23
Remediation due
2022-06-13
Ransomware use
Known
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2020-0638
Status
Analyzed
Published
2020-01-14
Last modified
2026-08-12
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-59

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 configurations

• microsoft windows 10 1709 • microsoft windows 10 1803 • microsoft windows 10 1809 • microsoft windows 10 1903 • microsoft windows 10 1909 • microsoft windows server 1803 • microsoft windows server 1903 • microsoft windows server 1909 • microsoft windows server 2019

Related

Weakness · CWE (1)

  • CWE-59 Improper Link Resolution Before File Access weakness

References