MEDIUM SEVERITY

CVE-2016-3320

Windows 10 vulnerability

CVSS
4.9
EPSS
5.0%
EPSS pct
91th
Exploited
No known
Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allow attackers to bypass the Secure Boot protection mechanism by leveraging (1) administrative or (2) physical access to install a crafted boot manager, aka "Secure Boot Security Feature Bypass."
Affected vendor
Microsoft
Affected product
Windows 10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Weakness type (CWE)
Published
2016-08-09

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 5.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2016-3320

  • Confirm whether Microsoft Windows 10 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-3320.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-3320

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