RCE in Microsoft .Net Framework
CVE-2018-8540
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka ".NET Framework Remote Code Injection Vulnerability." This affects Microsoft .NET Framework 4.6, Microsoft .NET Framework…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.221 (97.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft .Net Framework — versions 3.5 on Windows 10 for 32-bit Systems, 3.5 on Windows 10 for x64-based Systems, 3.5 on Windows 10 Version 1607 for 32-bit Systems
- Microsoft .Net_framework — versions 3.5, 3.5.1, 4.5.2
- Microsoft Windows_10 — versions 1607, 1703, 1709
- Microsoft Windows_7
- Microsoft Windows_8.1
- Microsoft Windows_rt_8.1
- Microsoft Windows_server_2008 — versions r2
- Microsoft Windows_server_2012 — versions r2
- Microsoft Windows_server_2016 — versions 1709, 1803
- Microsoft Windows_server_2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- 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-2018-8540?
- CVE-2018-8540 is a critical-severity vulnerability in Microsoft .Net Framework, classified under Code Injection. CVSS score: 9.8/10. Published 2018-12-12.
- How severe is CVE-2018-8540?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-8540 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.