Auth bypass in Microsoft Windows
CVE-2019-0732
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'.
Vulnerability class: Broken Access Control
EPSS: 0.038 (88.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows — versions 7 for 32-bit Systems Service Pack 1, 7 for x64-based Systems Service Pack 1, 8.1 for 32-bit systems
- Microsoft Windows_10 — versions 1607, 1703, 1709
- Microsoft Windows_7
- Microsoft Windows_8.1
- Microsoft Windows_rt_8.1
- Microsoft Windows Server — versions 2008 R2 for x64-based Systems Service Pack 1 (Core installation), 2008 R2 for Itanium-Based Systems Service Pack 1, 2008 R2 for x64-based Systems Service Pack 1
- Microsoft Windows_server_2008 — versions r2
- Microsoft Windows_server_2012 — versions r2
- Microsoft Windows_server_2016 — versions 1709, 1803
- Microsoft Windows_server_2019
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
- secure@microsoft.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
- secure@microsoft.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-0732?
- CVE-2019-0732 is a high-severity vulnerability in Microsoft Windows, classified under Incorrect Authorization. CVSS score: 7.8/10. Published 2019-04-09.
- How severe is CVE-2019-0732?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-0732 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.