RCE in Microsoft Powershell Core
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 Core 6.0, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.012 (66.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Microsoft Powershell Core — versions 6.0, 6.1
- Microsoft Powershell Core — versions 6.0, 6.1
- Microsoft Windows 10 — versions 32-bit Systems, Version 1607 for 32-bit Systems, Version 1607 for x64-based Systems
- Microsoft Windows 10 — versions 1607, 1703, 1709
- Microsoft Windows 10 Servers — versions version 1709 (Server Core Installation), version 1803 (Server Core Installation)
- Microsoft Windows 7 — versions 32-bit Systems Service Pack 1, x64-based Systems Service Pack 1
- Microsoft Windows 7
- Microsoft Windows 8.1 — versions 32-bit systems, x64-based systems
- Microsoft Windows 8.1
- Microsoft Windows Rt 8.1 — versions Windows RT 8.1
Weakness classification (CWE)
References
- www.securitytracker.com/id/1042108 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/105792 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8415 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-8415?
- CVE-2018-8415 is a high-severity vulnerability in Microsoft Powershell Core, classified under Code Injection. CVSS score: 7.8/10. Published 2018-11-14.
- How severe is CVE-2018-8415?
- High severity. CVSS v3 base score is 7.8 out of 10.