vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2022-21971

Windows Runtime Remote Code Execution Vulnerability

HIGH
7.8
CVSS Score
Published: February 9, 2022 at 04:36 PM UTC
Updated: June 17, 2026 at 04:27 AM UTC
9 products affected across 1 vendorWindows Server 2019Windows 10 1809Windows Server 2022

Using Windows 10 Version 1809 by Microsoft?

Get instant alerts when new vulnerabilities affect Windows 10 Version 1809 - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 54%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score53.8%

EPSS (Exploit Prediction Scoring System) estimates a 53.8% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Microsoft Windows Runtime contains an unspecified vulnerability that allows for remote code execution.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Aug 18, 2022
Remediation Due
Sep 8, 2022
1511 days overdue
Notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971
https://nvd.nist.gov/vuln/detail/CVE-2022-21971

Description

Windows Runtime Remote Code Execution Vulnerability

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 1809· Microsoft
95%
v < 10.0.17763.256510.0.0 ≤ v < 10.0.17763.256510.0.17763.0 ≤ v < 10.0.17763.256510.0.010.0.17763.0
Affected range stops below 10.0.17763.2565, so it looks safe — our inference, not a vendor statement
Windows 10 1909· Microsoft
95%
v < 10.0.18363.209410.0.0 ≤ v < 10.0.18363.209410.0.0
Affected range stops below 10.0.18363.2094, so it looks safe — our inference, not a vendor statement
Windows 10 20H2· Microsoft
95%
v < 10.0.19042.152610.0.0 ≤ v < 10.0.19042.152610.0.0
Affected range stops below 10.0.19042.1526, so it looks safe — our inference, not a vendor statement
Windows 10 21H1· Microsoft
95%
v < 10.0.19043.152610.0.0 ≤ v < 10.0.19043.152610.0.0
Affected range stops below 10.0.19043.1526, so it looks safe — our inference, not a vendor statement
Windows 10 21H2· Microsoft
95%
v < 10.0.19044.152610.0.19043.0 ≤ v < 10.0.19044.152610.0.19043.0
Affected range stops below 10.0.19044.1526, so it looks safe — our inference, not a vendor statement
Windows 11 21H2· Microsoft
95%
v < 10.0.22000.49310.0.0 ≤ v < 10.0.22000.49310.0.0
Affected range stops below 10.0.22000.493, so it looks safe — our inference, not a vendor statement
Windows Server 2019· Microsoft
95%
v < 10.0.17763.256510.0.17763.0 ≤ v < 10.0.17763.256510.0.17763.0
Affected range stops below 10.0.17763.2565, so it looks safe — our inference, not a vendor statement
Windows Server 2022· Microsoft
95%
v < 10.0.20348.52410.0.20348.0 ≤ v < 10.0.20348.52410.0.20348.0
Affected range stops below 10.0.20348.524, so it looks safe — our inference, not a vendor statement
Windows Server 20H2· Microsoft
95%
v < 10.0.19042.152610.0.0 ≤ v < 10.0.19042.152610.0.0
Affected range stops below 10.0.19042.1526, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21971

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-824

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card