CVE-2022-21971

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.538 · 99 %ileexploit · PoCEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 3 exploits · PoC

Likely / severe?

53.8% (99th) EPSS

CVSS 9.3 · high

Is it mine?

73 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · msrc_csaf

added 2022-08-18remediate by 2022-09-08

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-27

Microsoft Windows Runtime Remote Code Execution Vulnerability

Windows Runtime Remote Code Execution Vulnerability

remediations

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

A vendor fix is available.

FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.2565:Security Update:https://support.microsoft.com/help/5010351
https://support.microsoft.com/help/5010351
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.2565:Security Update:https://support.microsoft.com/help/5010351
https://support.microsoft.com/help/5010351
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.2565:Security Update:https://support.microsoft.com/help/5010351
https://support.microsoft.com/help/5010351
FixedWindows 10 Version 1909 for 32-bit Systemsmsrc_csaf
10.0.18363.2094:Security Update:https://support.microsoft.com/help/5010345
https://support.microsoft.com/help/5010345
FixedWindows 10 Version 1909 for ARM64-based Systemsmsrc_csaf
10.0.18363.2094:Security Update:https://support.microsoft.com/help/5010345
https://support.microsoft.com/help/5010345
FixedWindows 10 Version 1909 for x64-based Systemsmsrc_csaf
10.0.18363.2094:Security Update:https://support.microsoft.com/help/5010345
https://support.microsoft.com/help/5010345
FixedWindows 10 Version 20H2 for 32-bit Systemsmsrc_csaf
10.0.19042.1526:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 20H2 for ARM64-based Systemsmsrc_csaf
10.0.19042.1526:Security Update:https://support.microsoft.com/help/5009543
https://support.microsoft.com/help/5009543
FixedWindows 10 Version 21H1 for 32-bit Systemsmsrc_csaf
10.0.19043.1526:Security Update:https://support.microsoft.com/help/5010342
https://support.microsoft.com/help/5010342
FixedWindows 10 Version 21H1 for ARM64-based Systemsmsrc_csaf
10.0.19043.1526:Security Update:https://support.microsoft.com/help/5010342
https://support.microsoft.com/help/5010342
FixedWindows 10 Version 21H1 for x64-based Systemsmsrc_csaf
10.0.19043.1526:Security Update:https://support.microsoft.com/help/5010342
https://support.microsoft.com/help/5010342
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.1526:Security Update:https://support.microsoft.com/help/5010342
https://support.microsoft.com/help/5010342
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.1526:Security Update:https://support.microsoft.com/help/5010342
https://support.microsoft.com/help/5010342
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.1526:Security Update:https://support.microsoft.com/help/5010342
https://support.microsoft.com/help/5010342
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.493:Security Update:https://support.microsoft.com/help/5010386
https://support.microsoft.com/help/5010386
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.493:Security Update:https://support.microsoft.com/help/5010386
https://support.microsoft.com/help/5010386
FixedWindows Server 2019msrc_csaf
10.0.17763.2565:Security Update:https://support.microsoft.com/help/5010351
https://support.microsoft.com/help/5010351
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.2565:Security Update:https://support.microsoft.com/help/5010351
https://support.microsoft.com/help/5010351
FixedWindows Server 2022msrc_csaf
10.0.20348.524:Security Update:https://support.microsoft.com/help/5010354
https://support.microsoft.com/help/5010354
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.524:Security Update:https://support.microsoft.com/help/5010354
https://support.microsoft.com/help/5010354
FixedWindows Server, version 20H2 (Server Core Installation)msrc_csaf
10.0.19042.1526: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

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/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

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-824USprimaryCWE-94US

ATT&CK techniques

ATT&CK techniques this enables or maps to.

exploits (3)

Public proof-of-concept and weaponised exploit code.

0vercl0k/CVE-2022-21971PoC for CVE-2022-21971 "Windows Runtime Remote Code Execution Vulnerability"PoC · poc_in_github
Malwareman007/CVE-2022-21971POC Of CVE-2022-21971 PoC · poc_in_github
tufanturhan/CVE-2022-21971-Windows-Runtime-RCEtufanturhan/CVE-2022-21971-Windows-Runtime-RCEPoC · poc_in_github

affected products (73)

Products and version ranges known to be affected.

Microsoft Windows 10 Version 180910.0.0 → 10.0.17763.2565enisa_euvdEU
Microsoft Windows 10 Version 180910.0.17763.0 → 10.0.17763.2565enisa_euvdEU
Microsoft Windows 10 Version 190910.0.0 → 10.0.18363.2094enisa_euvdEU
Microsoft Windows 10 Version 20H210.0.0 → 10.0.19042.1526enisa_euvdEU
Microsoft Windows 10 Version 21H110.0.0 → 10.0.19043.1526enisa_euvdEU
Microsoft Windows 10 Version 21H210.0.19043.0 → 10.0.19044.1526enisa_euvdEU
Microsoft Windows 11 version 21H210.0.0 → 10.0.22000.493enisa_euvdEU
Microsoft Windows Server 201910.0.17763.0 → 10.0.17763.2565enisa_euvdEU
Microsoft Windows Server 2019 (Server Core installation)10.0.17763.0 → 10.0.17763.2565enisa_euvdEU
Microsoft Windows Server 202210.0.20348.0 → 10.0.20348.524enisa_euvdEU
Microsoft Windows Server version 20H210.0.0 → 10.0.19042.1526enisa_euvdEU
Microsoft Corp Windows 10 1809all versionsfstec_bduRU
Microsoft Corp Windows 10 1909all versionsfstec_bduRU
Microsoft Corp Windows 10 20H2all versionsfstec_bduRU
Microsoft Corp Windows 10 21H1all versionsfstec_bduRU
Microsoft Corp Windows 10 21H2all versionsfstec_bduRU
Microsoft Corp Windows 11all versionsfstec_bduRU
Microsoft Corp Windows Server 2019all versionsfstec_bduRU
Microsoft Corp Windows Server 2019 (Server Core installation)all versionsfstec_bduRU
Microsoft Corp Windows Server 2022all versionsfstec_bduRU

showing 20 of 73

advisories (1)

Vendor and ecosystem advisories describing this.

msrc_CVE-2022-21971Windows Runtime Remote Code Execution Vulnerability2022-02-08csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu msrc_csaf NVD CVE.org MITRE

published 2022-02-09modified 2026-06-17

related (459)

Related entries.

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The IPersistPropertyBag2::Read function in QTPlugin.ocx in Apple QuickTime 6.x, 7.x before 7.6.8, and other versions allows remote attackers to execute arbitrary code via the _Mars…
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+454 more

references (7)

External citations — patches, advisories, analysis.

scry

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