SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2024-38140

Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

CRITICAL 9.8EPSS 3.81%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
3.81% probability · 89th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
microsoft/windows 10 1507 · microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows 10 21h2 · microsoft/windows 10 22h2 · microsoft/windows 11 21h2 · microsoft/windows 11 22h2 · microsoft/windows 11 23h2 · microsoft/windows 11 24h2 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2022 23h2
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.