SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-8415

A tampering vulnerability exists in PowerShell that could allow an attacker to execute unlogged code, aka "Microsoft PowerShell Tampering Vulnerability." This affects Windows 7, PowerShell Core 6.1, Windows Server 2012 R2, Windows RT 8.1, PowerShell…

HIGH 7.8EPSS 1.19%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A tampering vulnerability exists in PowerShell that could allow an attacker to execute unlogged code, aka "Microsoft PowerShell Tampering Vulnerability." This affects Windows 7, PowerShell Core 6.1, Windows Server 2012 R2, Windows RT 8.1, PowerShell Core 6.0, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.19% probability · 66th percentile
CISA KEV
Not listed
Weakness
CWE-94
Affected
microsoft/powershell core · microsoft/windows 10 · microsoft/windows 7 · microsoft/windows 8.1 · microsoft/windows rt 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019
Source
secure@microsoft.com

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