Vulnerability in Microsoft Windows 10
CVE-2018-8435
A security feature bypass vulnerability exists when Windows Hyper-V BIOS loader fails to provide a high-entropy source, aka "Windows Hyper-V Security Feature Bypass Vulnerability." This affects Windows Server 2016, Windows 10, Windows 10 Servers.
EPSS: 0.014 (68.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Microsoft Windows 10 — versions Version 1607 for x64-based Systems, Version 1703 for x64-based Systems, Version 1709 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 Server 2016 — versions (Server Core installation)
- Microsoft Windows_server_2016 — versions 1709, 1803
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2018-8435?
- CVE-2018-8435 is a medium-severity vulnerability in Microsoft Windows 10, classified under Insufficient Entropy. CVSS score: 4.2/10. Published 2018-09-13.
- How severe is CVE-2018-8435?
- Medium severity. CVSS v3 base score is 4.2 out of 10.
- Is CVE-2018-8435 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.