High severity · published Feb 9, 2022
CVE-2022-21971
Windows Runtime Remote Code Execution Vulnerability
In wildKEV
7.8
CVSS
53.8%
EPSS
Yes
On KEV
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)53.8% · higher than 99% of CVEs
Exploited in the wildYes
CISA KEVListed Aug 18, 2022
Federal remediation dueSep 8, 2022
Ransomware campaign useNot known
Affected products
Which versions
WI
Windows · Microsoft
All versions, or not specified · source: KEV
W1
Windows 10 Version 1809 · Microsoft
10.0.17763.0 before 10.0.17763.2565; 10.0.0 before 10.0.17763.2565 · source: vendor
W1
Windows 10 Version 1909 · Microsoft
10.0.0 before 10.0.18363.2094 · source: vendor
W1
Windows 10 Version 20H2 · Microsoft
10.0.0 before 10.0.19042.1526 · source: vendor
W1
Windows 10 Version 21H1 · Microsoft
10.0.0 before 10.0.19043.1526 · source: vendor
W1
Windows 10 Version 21H2 · Microsoft
10.0.19043.0 before 10.0.19044.1526 · source: vendor
W1
Windows 11 version 21H2 · Microsoft
10.0.0 before 10.0.22000.493 · source: vendor
WS
Windows Server 2019 · Microsoft
10.0.17763.0 before 10.0.17763.2565 · source: vendor, NVD
WS
Windows Server 2019 (Server Core installation) · Microsoft
10.0.17763.0 before 10.0.17763.2565 · source: vendor
WS
Windows Server 2022 · Microsoft
10.0.20348.0 before 10.0.20348.524 · source: vendor, NVD
WS
Windows Server version 20H2 · Microsoft
10.0.0 before 10.0.19042.1526 · source: vendor
W1
Windows 10 1809 · Microsoft
before 10.0.17763.2565 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-21971
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-21971
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971
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