4.2med
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-…
Published 8 y ago · modified 4 mo ago · JSON
CVSS
4.2
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.4%
percentile 72%
Public exploits
0
none known
Summary
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.
Exploit prediction (EPSS)
1.36% probability of exploitation in the next 30 days, higher than 72% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 4.2 | CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 2.3 | AV:A/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Microsoft Windows Server 2016
- Microsoft Windows 10
- Microsoft Windows 10 Servers
Classification
- Weakness
- CWE-331 Insufficient Entropy
References
- securityfocus.com /bid/105240 · vdb-entry, x_refsource_BID, x_transferred
- portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2018-8435 · x_refsource_CONFIRM, x_transferred
- securitytracker.com /id/1041624 · vdb-entry, x_refsource_SECTRACK, x_transferred
Sources
- CVE List: CVE-2018-8435
- NVD: CVE-2018-8435
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.