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CVE-2018-8435

MEDIUM severity · CVSS 4.2 · CWE-331
4.2CVSS MEDIUM

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.

Impact & exploitability

Attack vectorAdjacent
Attack complexityHigh
Privileges requiredHigh
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)1%

CVSS:3.0/AV:A/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

Affected products we track (2)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8435 ↗