CVE-2022-21851

highpriority · track · 38EPSS 0.028 · 86 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

2.78% (86th) EPSS

CVSS 9.3 · high

Is it mine?

132 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · msrc_csaf

EPSS · scored 2026-10-27

Remote Desktop Client Remote Code Execution Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedRemote Desktop client for Windows Desktopmsrc_csaf
1.2.2691.0:Security Update:https://docs.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/windowsdesktop-whatsnew
https://docs.microsoft.com/en-us/windows-server/remote/remote-desktop-services/clients/windowsdesktop-whatsnew
FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.4886:Security Update:https://support.microsoft.com/help/5009546
https://support.microsoft.com/help/5009546
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.4886:Security Update:https://support.microsoft.com/help/5009546
https://support.microsoft.com/help/5009546
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows 10 Version 1909 for 32-bit Systemsmsrc_csaf
10.0.18363.2037:Security Update:https://support.microsoft.com/help/5009545
https://support.microsoft.com/help/5009545
FixedWindows 10 Version 1909 for ARM64-based Systemsmsrc_csaf
10.0.18363.2037:Security Update:https://support.microsoft.com/help/5009545
https://support.microsoft.com/help/5009545
FixedWindows 10 Version 1909 for x64-based Systemsmsrc_csaf
10.0.18363.2037:Security Update:https://support.microsoft.com/help/5009545
https://support.microsoft.com/help/5009545
FixedWindows 10 Version 20H2 for 32-bit Systemsmsrc_csaf
10.0.19042.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 20H2 for ARM64-based Systemsmsrc_csaf
10.0.19042.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H1 for 32-bit Systemsmsrc_csaf
10.0.19043.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H1 for ARM64-based Systemsmsrc_csaf
10.0.19043.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H1 for x64-based Systemsmsrc_csaf
10.0.19043.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.19177:Security Update:https://support.microsoft.com/help/5009585
https://support.microsoft.com/help/5009585
FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.19177:Security Update:https://support.microsoft.com/help/5009585
https://support.microsoft.com/help/5009585
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.434:Security Update:https://support.microsoft.com/help/5009566
https://support.microsoft.com/help/5009566
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.434:Security Update:https://support.microsoft.com/help/5009566
https://support.microsoft.com/help/5009566
FixedWindows 7 for 32-bit Systems Service Pack 1msrc_csaf
6.1.7601.25829:Monthly Rollup:https://support.microsoft.com/help/5009610
https://support.microsoft.com/help/5009610
FixedWindows 7 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.25829:Monthly Rollup:https://support.microsoft.com/help/5009610
https://support.microsoft.com/help/5009610
FixedWindows 8.1 for 32-bit systemsmsrc_csaf
6.3.9600.20246:Security Only:https://support.microsoft.com/help/5009595
https://support.microsoft.com/help/5009595
FixedWindows 8.1 for x64-based systemsmsrc_csaf
6.3.9600.20246:Security Only:https://support.microsoft.com/help/5009595
https://support.microsoft.com/help/5009595
FixedWindows RT 8.1msrc_csaf
6.3.9600.20246:Monthly Rollup:https://support.microsoft.com/help/5009624
https://support.microsoft.com/help/5009624
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.25829:Monthly Rollup:https://support.microsoft.com/help/5009610
https://support.microsoft.com/help/5009610
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.25829:Monthly Rollup:https://support.microsoft.com/help/5009610
https://support.microsoft.com/help/5009610
FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.21349:Security Only:https://support.microsoft.com/help/5009601
https://support.microsoft.com/help/5009601
FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.21349:Security Only:https://support.microsoft.com/help/5009601
https://support.microsoft.com/help/5009601
FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.21349:Security Only:https://support.microsoft.com/help/5009601
https://support.microsoft.com/help/5009601
FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.21349:Security Only:https://support.microsoft.com/help/5009601
https://support.microsoft.com/help/5009601
FixedWindows Server 2012msrc_csaf
6.2.9200.23584:Monthly Rollup:https://support.microsoft.com/help/5009586
https://support.microsoft.com/help/5009586
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.23584:Monthly Rollup:https://support.microsoft.com/help/5009586
https://support.microsoft.com/help/5009586
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.20246:Security Only:https://support.microsoft.com/help/5009595
https://support.microsoft.com/help/5009595
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.20246:Security Only:https://support.microsoft.com/help/5009595
https://support.microsoft.com/help/5009595
FixedWindows Server 2016msrc_csaf
10.0.14393.4886:Security Update:https://support.microsoft.com/help/5009546
https://support.microsoft.com/help/5009546
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.4886:Security Update:https://support.microsoft.com/help/5009546
https://support.microsoft.com/help/5009546
FixedWindows Server 2019msrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.2452:Security Update:https://support.microsoft.com/help/5009557
https://support.microsoft.com/help/5009557
FixedWindows Server 2022msrc_csaf
10.0.20348.469:Security Update:https://support.microsoft.com/help/5009555
https://support.microsoft.com/help/5009555
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.469:Security Update:https://support.microsoft.com/help/5009555
https://support.microsoft.com/help/5009555
FixedWindows Server, version 20H2 (Server Core Installation)msrc_csaf
10.0.19042.1466:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543

cvss

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

9.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.09.3highAV:N/AC:M/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 10

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-843USLLM-inferredCWE-94USLLM-inferred

affected products (132)

Products and version ranges known to be affected.

Xerox FreeFlow Print Serverall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v2
Xerox FreeFlow Print Server 9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:9
Microsoft Remote Desktop client for Windows Desktop1.2.0.0 → 1.2.2691.0enisa_euvdEU
Microsoft Windows 10 Version 150710.0.10240.0 → 10.0.10240.19177enisa_euvdEU
Microsoft Windows 10 Version 160710.0.14393.0 → 10.0.14393.4886enisa_euvdEU
Microsoft Windows 10 Version 180910.0.0 → 10.0.17763.2452enisa_euvdEU
Microsoft Windows 10 Version 180910.0.17763.0 → 10.0.17763.2452enisa_euvdEU
Microsoft Windows 10 Version 190910.0.0 → 10.0.18363.2037enisa_euvdEU
Microsoft Windows 10 Version 20H210.0.0 → 10.0.19042.1466enisa_euvdEU
Microsoft Windows 10 Version 21H110.0.0 → 10.0.19043.1466enisa_euvdEU
Microsoft Windows 10 Version 21H210.0.19043.0 → 10.0.19044.1466enisa_euvdEU
Microsoft Windows 11 version 21H210.0.0 → 10.0.22000.434enisa_euvdEU
Microsoft Windows 76.1.0 → 6.1.7601.25829enisa_euvdEU
Microsoft Windows 7 Service Pack 16.1.0 → 6.1.7601.25829enisa_euvdEU
Microsoft Windows 8.16.3.0 → 6.3.9600.20246enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 16.1.7601.0 → 6.1.7601.25829enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 → 6.1.7601.25829enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 26.0.6003.0 → 6.0.6003.21349enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 → 6.0.6003.21349enisa_euvdEU
Microsoft Windows Server 20126.2.9200.0 → 6.2.9200.23584enisa_euvdEU

showing 20 of 132

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-0839Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2022-02-03csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um beliebigen Programmcode auszuführen, einen Cross-Site-Scripting-Angriff durchzuführen, Informationen offenzulegen, einen Denial of Service Zustand herbeizuführen oder Dateien zu manipulieren.
msrc_CVE-2022-21851Remote Desktop Client Remote Code Execution Vulnerability2022-01-11csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund msrc_csaf NVD CVE.org MITRE

published 2022-01-11modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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