VulnerabilityModified
CVE-2021-34458
Windows Kernel Remote Code Execution Vulnerability
CRITICAL 9.9EPSS 2.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Windows Kernel Remote Code Execution Vulnerability
- CVSS 3.1
- 9.9 CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 2.63% probability · 85th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/windows server 2016 · microsoft/windows server 2019
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.