Vulnerability in Microsoft Microsoft.powershell.archive
CVE-2018-8256
A remote code execution vulnerability exists when PowerShell improperly handles specially crafted files, aka "Microsoft PowerShell Remote Code Execution Vulnerability." This affects Windows RT 8.1, PowerShell Core 6.0, Microsoft.PowerShell…
EPSS: 0.226 (97.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Microsoft.powershell.archive — versions 1.2.2.0
- 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
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2018-8256?
- CVE-2018-8256 is a high-severity vulnerability in Microsoft Microsoft.powershell.archive. CVSS score: 8.8/10. Published 2018-11-14.
- How severe is CVE-2018-8256?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2018-8256 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.