VulnerabilityAnalyzed
CVE-2022-21971
Microsoft Windows Runtime Remote Code Execution Vulnerability
KEVHIGH 7.8EPSS 53.9%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 8 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
Description
Windows Runtime Remote Code Execution Vulnerability
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 53.93% probability · 99th percentile
- CISA KEV
- Listed 18 August 2022 · due 8 September 2022
- Weakness
- CWE-824
- Affected
- microsoft/windows 10 1809 · microsoft/windows 10 1909 · microsoft/windows 10 20h2 · microsoft/windows 10 21h1 · microsoft/windows 10 21h2 · microsoft/windows 11 21h2 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 20h2
- Source
- secure@microsoft.com
CISA notes
Apply updates per vendor instructions. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971; https://nvd.nist.gov/vuln/detail/CVE-2022-21971
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21971Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21971US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.