CVE & CISA-KEV Catalog

CVE-2020-0638

HIGHCISA KEVEPSS 85th pctl
7.8
CVSS v3
NVD

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'.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

2.95%probability of exploitation in 30 days
85thpercentile

Elevated risk: more likely to be exploited than 85% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Update Notification Manager Privilege Escalation Vulnerability

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

Apply updates per vendor instructions.

Remediation due: 2022-06-13

Associated with ransomware campaigns

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-29.