CVE-2020-1040

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.074 · 94 %ileEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

7.39% (94th) EPSS

CVSS 7.7 · high

Is it mine?

20 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2021-11-03remediate by 2022-05-03

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability

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 Vulnerability'. This CVE ID is unique from CVE-2020-1032, CVE-2020-1036, CVE-2020-1041, CVE-2020-1042, CVE-2020-1043.

cvss

Technical severity, 0–10. One row per scoring source.

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.7–9

v2.07.7highAV:A/AC:L/Au:S/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 5.1 · impact 10

v3.19criticalCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.3 · impact 6

v3.18highAV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19criticalCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondaryexploitability 2.3 · impact 6

v3.19criticalCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (20)

Products and version ranges known to be affected.

Microsoft Windows Server≤ 2008 R2 for x64-based Systems Service Pack 1enisa_euvdEU
Microsoft Windows Server≤ 2016enisa_euvdEU
Microsoft Windows Server≤ 2008 R2 for x64-based Systems Service Pack 1 (Core installation)enisa_euvdEU
Microsoft Windows Server≤ 2012 R2 (Core installation)enisa_euvdEU
Microsoft Windows Server≤ 2012enisa_euvdEU
Microsoft Windows Server≤ 2012 R2enisa_euvdEU
Microsoft Windows Server≤ 2012 (Core installation)enisa_euvdEU
Microsoft Windows Server≤ 2016 (Core installation)enisa_euvdEU
Microsoft Corp Windows Server 2008 R2 Service Pack 1all versionsfstec_bduRU
Microsoft Corp Windows Server 2008 R2 Service Pack 1 (Server Core installation)all versionsfstec_bduRU
Microsoft Corp Windows Server 2012all versionsfstec_bduRU
Microsoft Corp Windows Server 2012 (Server Core installation)all versionsfstec_bduRU
Microsoft Corp Windows Server 2012 R2all versionsfstec_bduRU
Microsoft Corp Windows Server 2012 R2 (Server Core installation)all versionsfstec_bduRU
Microsoft Corp Windows Server 2016all versionsfstec_bduRU
Microsoft Corp Windows Server 2016 (Server Core installation)all versionsfstec_bduRU
microsoft windows server 2008= r2nvdUScpe:2.3:o:microsoft:windows_server_2008:*:*:*:*:*:*:*:*
microsoft windows server 2012all versionsnvdUScpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
microsoft windows server 2012= r2nvdUScpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
microsoft windows server 2016all versionsnvdUScpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2020-07-14modified 2026-06-17

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+25171 more

references (12)

External citations — patches, advisories, analysis.

scry

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