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UnratedMicrosoft Server Exploited CISA KEV

Unknown [CVE-2020-0787] elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'

This security Microsoft Server advisory covers CVE-2020-0787 affecting Windows Server, version 1909 (Server Core installation), Windows Server, version 1903 (Server Core installation).

CVE-2020-0787 Published Mar 12, 2020Updated by vendor Aug 12, 2026
Affected products & platforms
Microsoft ServerWindows Server
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Summary

An elevation of privilege vulnerability exists when the Windows Background Intelligent Transfer Service (BITS) improperly handles symbolic links, aka 'Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability'.

Affected products named by the advisory: Windows Server; Windows Server, version 1909 (Server Core installation); Windows Server, version 1903 (Server Core installation).

CISA Known Exploited Vulnerability

Listed:
Jan 28, 2022 · federal remediation due Jul 28, 2022
Required action:
Apply updates per vendor instructions.
Ransomware use:
Known

KEV is a prioritization signal from CISA — remediation detail still comes from the vendor advisory.

Affected versions
  • Windows 10 Version 1803 for 32-bit Systems
  • Windows 10 Version 1803 for x64-based Systems
  • Windows 10 Version 1803 for ARM64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows 10 Version 1709 for 32-bit Systems
  • Windows 10 Version 1709 for x64-based Systems
  • Windows 10 Version 1709 for ARM64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems

Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source

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