SARA / Free Tools / KEV / CVE-2020-0638

CVE-2020-0638 on CISA KEV

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&#

CISA KEV — Actively Exploited

Microsoft Update Notification Manager Privilege Escalation Vulnerability

Vendor / Product
— / Microsoft / Update Notification Manager
Added to KEV
2022-05-23
BOD 22-01 due
2022-06-13
Ransomware use
Known
CVSS / EPSS
· EPSS 1.65%

01What CISA says about this vulnerability

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'.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
MicrosoftWindows10 Version 1709 for 32-bit Systems, 10 Version 1803 for 32-bit Systems, 10 Version 1809 for ARM64-based Systems, 10 Version 1803 for x64-based Systems, 10 Version 1709 for ARM64-based Systems, 10 Version 1709 for x64-based Systems, 10 Version 1803 for ARM64-based Systems, 10 Version 1809 for 32-bit Systems, 10 Version 1809 for x64-based Systems
MicrosoftWindows 10 Version 1903 for ARM64based Systems — unspecified
MicrosoftWindows 10 Version 1903 for 32bit Systems — unspecified
MicrosoftWindows 10 Version 1903 for x64based Systems — unspecified
MicrosoftWindows Server2019, 2019 (Core installation), version 1803 (Core Installation)
MicrosoftWindows Server, version 1903 (Server Core installation)unspecified
MicrosoftWindows 10 Version 1909 for 32bit Systems — unspecified
MicrosoftWindows 10 Version 1909 for x64based Systems — unspecified
MicrosoftWindows Server, version 1909 (Server Core installation)unspecified
MicrosoftWindows 10 Version 1909 for ARM64based Systems — unspecified

06Detection

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