What is CVE-2020-1043?

CVE-2020-1043 is a critical-severity vulnerability in Microsoft Windows Server, classified under Improper Input Validation. CVSS score: 9.0/10. Published 2020-07-14.

How severe is CVE-2020-1043?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Improper input validation in Microsoft Windows Server

CVE-2020-1043

A remote code execution vulnerability exists when Hyper-V RemoteFX vGPU on a host server fails to properly validate input from an authenticated user on a guest operating system, aka 'Hyper-V RemoteFX vGPU Remote Code Execution Vulnerabilit…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.055 (91.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Microsoft Windows Server — versions 2016, 2016 (Core installation), 2008 R2 for x64-based Systems Service Pack 1
Microsoft Windows_server_2008 — versions r2
Microsoft Windows_server_2012 — versions r2
Microsoft Windows_server_2016

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
secure@microsoft.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2020-1043?: CVE-2020-1043 is a critical-severity vulnerability in Microsoft Windows Server, classified under Improper Input Validation. CVSS score: 9.0/10. Published 2020-07-14.
How severe is CVE-2020-1043?: Critical severity. CVSS v3 base score is 9.0 out of 10.