Microsoft · Out-of-band update · March 12, 2020

KB4551762: March 2020 cumulative update for Windows 10 1903

KB4551762, released March 12, 2020, fixes 1 CVE across 8 products. One of them is being exploited (CVE-2020-0796); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

Patch now1 on CISA KEVKnown ransomware use1 publicly disclosedUnsupported product

CVEs closed

1 rated Critical

Exploited

CVE-2020-0796

Exploitation more likely

Microsoft's assessment

Highest EPSS

0.9981

99th percentile

Applies to

Product
Windows 10 Version 1903 for 32-bit Systems
Windows 10 Version 1903 for ARM64-based Systems
Windows 10 Version 1903 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows Server, version 1903 (Server Core installation)
Windows Server, version 1909 (Server Core installation)

CVEs this fix closes

Priority	CVE	Component	Impact	CVSS	EPSS	Exploitation
Patch now	CVE-2020-0796	Windows SMB	Remote Code Execution	10.0	0.9981	KEVRansomwareDisclosedExploited

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.