CVE-2022-21971
Windows Runtime Remote Code Execution Vulnerability
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
Description
Windows Runtime Remote Code Execution Vulnerability
Official description from the CVE record, published by microsoft. Copyright © 1999-2026 The MITRE Corporation. See /security/cve/legal for the CVE license. View the record on cve.org
Key data
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
Attack vector: Local
The attacker needs local access to the system, or to trick a user into running something.
Attack complexity: Low
No special conditions are needed. The attack can be repeated at will.
Privileges required: None
No account or privileges are needed.
User interaction: Required
A user has to do something first, such as opening a file or following a link.
Scope: Unchanged
The impact stays within the vulnerable component.
Confidentiality impact: High
Serious or total effect on the secrecy of data.
Integrity impact: High
Serious or total effect on the trustworthiness of data.
Availability impact: High
Serious or total effect on availability.
| Metric | Value | What it means |
|---|---|---|
| Attack vector | Local | The attacker needs local access to the system, or to trick a user into running something. |
| Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. |
| Privileges required | None | No account or privileges are needed. |
| User interaction | Required | A user has to do something first, such as opening a file or following a link. |
| Scope | Unchanged | The impact stays within the vulnerable component. |
| Confidentiality impact | High | Serious or total effect on the secrecy of data. |
| Integrity impact | High | Serious or total effect on the trustworthiness of data. |
| Availability impact | High | Serious or total effect on availability. |
CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at first.org/cvss.
EPSS
- Score
- 0.53934 (53.9% probability)
- Percentile
- 99.0%
- Scores of
- Nov 10, 2026
- Model
- v2026.06.15
CISA Known Exploited Vulnerabilities
- Name in the catalog
- Microsoft Windows Runtime Remote Code Execution Vulnerability
- Added to the catalog
- Aug 18, 2022
- Federal due date
- Sep 8, 2022
CISA assessment as of Jan 29, 2025
- Exploitation
- Recorded by CISA as active
- Automatable
- no
- Technical impact
- total
Weakness (CWE)
- CWE-824Access of Uninitialized Pointer
Affected products
Microsoft Windows 10 Version 1809
- affected: 10.0.17763.0 up to before 10.0.17763.2565
Microsoft Windows 10 Version 1809
- affected: 10.0.0 up to before 10.0.17763.2565
Microsoft Windows Server 2019
- affected: 10.0.17763.0 up to before 10.0.17763.2565
Microsoft Windows Server 2019 (Server Core installation)
- affected: 10.0.17763.0 up to before 10.0.17763.2565
Microsoft Windows 10 Version 1909
- affected: 10.0.0 up to before 10.0.18363.2094
Microsoft Windows 10 Version 21H1
- affected: 10.0.0 up to before 10.0.19043.1526
Microsoft Windows Server 2022
- affected: 10.0.20348.0 up to before 10.0.20348.524
Microsoft Windows 10 Version 20H2
- affected: 10.0.0 up to before 10.0.19042.1526
Microsoft Windows Server version 20H2
- affected: 10.0.0 up to before 10.0.19042.1526
Microsoft Windows 11 version 21H2
- affected: 10.0.0 up to before 10.0.22000.493
Microsoft Windows 10 Version 21H2
- affected: 10.0.19043.0 up to before 10.0.19044.1526
References
- Windows Runtime Remote Code Execution Vulnerability (msrc.microsoft.com)vendor-advisory
Timeline
- ID reserved
- Record published
- Added to CISA KEV
- Record last updated
Look up another CVE
About CubePath
Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:27 UTC. Sources and licenses