CVE-2022-21971
Windows Runtime Remote Code Execution Vulnerability
Windows Runtime Remote Code Execution Vulnerability
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Windows Runtime Remote Code Execution Vulnerability
Windows Runtime Remote Code Execution Vulnerability
- Record
CVE-2022-21971- CVSS 3.1
- 7.8 High
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 - Weakness
- CWE-824
- Updated
- 2026-11-02
EUVDEUVD-2022-27126
Windows Runtime Remote Code Execution Vulnerability
- Record
EUVD-2022-27126- CVSS 3.1
- 7.8 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-58gj-2v59-wxcq
Windows Runtime Remote Code Execution Vulnerability.
Windows Runtime Remote Code Execution Vulnerability.
- Record
GHSA-58gj-2v59-wxcq- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-824
- Updated
- 2026-11-02
CISA KEV No score
Microsoft Windows Runtime Remote Code Execution Vulnerability
Microsoft Windows Runtime contains an unspecified vulnerability that allows for remote code execution.
- Record
CVE-2022-21971- Weakness
- CWE-824
- Updated
- 2026-11-02
NVD
Windows Runtime Remote Code Execution Vulnerability
- Record
CVE-2022-21971- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-824
- Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft windows 10 version 1809
- microsoft windows 10 version 1909
- microsoft windows 10 version 20h2
- microsoft windows 10 version 21h1
- microsoft windows 10 version 21h2
- microsoft windows 11 version 21h2
- microsoft windows server 2019
- microsoft windows server 2019 (server core installation)
- microsoft windows server 2022
- microsoft windows server version 20h2
- microsoft windows 10 1809
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | 0vercl0k/CVE-2022-21971 | 2022-02-26 |
| PoC in GitHub | tufanturhan/CVE-2022-21971-Windows-Runtime-RCE | 2022-04-15 |
| PoC in GitHub | Malwareman007/CVE-2022-21971 | 2022-10-07 |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation, exploits | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-21971 is a high vulnerability (CVSS 7.8) in Microsoft Windows, published February 9, 2022. CISA lists it as known to be exploited, since August 18, 2022. EUVD reports exploitation since August 18, 2022. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 53.9%, the 99th percentile. No source names a fixed version.