7.8high

CVE-2019-07321 exploit

A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard when Windows improperly hand…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
3.8%
percentile 90%
Public exploits
1
Exploit-DB

Summary

A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard when Windows improperly handles calls to the LUAFV driver (luafv.sys), aka 'Windows Security Feature Bypass Vulnerability'.

Exploit prediction (EPSS)

3.78% probability of exploitation in the next 30 days, higher than 90% of all scored CVEs.

Exploits and detections

  • EDB-46716 Microsoft Windows 10 1809 - LUAFV NtSetCachedSigningLevel Device Guard Bypass · local · 2019-04-16

CVSS scores

Assigned byVersionScoreVector
NVD3.07.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.04.6AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • Microsoft Windows
  • Microsoft Windows Server

Classification

Weakness

References

  • portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2019-0732 · x_refsource_MISC, x_transferred
  • exploit-db.com /exploits/46716/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • packetstormsecurity.com /files/152536/Microsoft-Windows-LUAFV-NtSetCachedSigningLevel-Device-Guard-Bypass.html · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.