CVE-2022-21971

At a glance

Severity: HIGH 7.8
Exploitation: Known exploited (CISA KEV) · added 2022-08-18
Exploited per ENISA since 2022-08-18
EPSS: EPSS 53.78 % · percentile 99 (2026-10-27)
State: PUBLISHED
Published: 2022-02-09
Updated: 2025-10-21
Assigner: microsoft
NVD status: Analyzed

Description

Windows Runtime Remote Code Execution Vulnerability

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)
CVSS 2.0	HIGH 9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-824

European references

ENISA EUVD · EUVD-2022-27126
GCVE · GCVE-0-2022-21971

CERT-FR advisories

CERTFR-2022-AVI-130 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* < 10.0.17763.2565
cpe:2.3:o:microsoft:windows_10_1909:*:*:*:*:*:*:*:* < 10.0.18363.2094
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* < 10.0.19042.1526
cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* < 10.0.19043.1526
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:* < 10.0.19044.1526
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* < 10.0.22000.493
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.2565
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.524
cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:* < 10.0.19042.1526

Affected products

Product	Versions
Microsoft · Windows 10 Version 1809	affected 10.0.17763.0 < 10.0.17763.2565
Microsoft · Windows 10 Version 1809	affected 10.0.0 < 10.0.17763.2565
Microsoft · Windows Server 2019	affected 10.0.17763.0 < 10.0.17763.2565
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 < 10.0.17763.2565
Microsoft · Windows 10 Version 1909	affected 10.0.0 < 10.0.18363.2094
Microsoft · Windows 10 Version 21H1	affected 10.0.0 < 10.0.19043.1526
Microsoft · Windows Server 2022	affected 10.0.20348.0 < 10.0.20348.524
Microsoft · Windows 10 Version 20H2	affected 10.0.0 < 10.0.19042.1526
Microsoft · Windows Server version 20H2	affected 10.0.0 < 10.0.19042.1526
Microsoft · Windows 11 version 21H2	affected 10.0.0 < 10.0.22000.493
Microsoft · Windows 10 Version 21H2	affected 10.0.19043.0 < 10.0.19044.1526

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
CISA Known Exploited Vulnerabilities	CC0 1.0
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD