Information disclosure in Microsoft Windows
CVE-2019-1091
An information disclosure vulnerability exists when Unistore.dll fails to properly handle objects in memory, aka 'Microsoft unistore.dll Information Disclosure Vulnerability'.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.020 (80.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Microsoft Windows — versions 10 for 32-bit Systems, 10 for x64-based Systems, 10 Version 1607 for 32-bit Systems
- Microsoft Windows 10 — versions 1607, 1703, 1709
- Microsoft Windows 10 Version 1903 For 32-Bit Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For Arm64-Based Systems — versions unspecified
- Microsoft Windows 10 Version 1903 For X64-Based Systems — versions unspecified
- Microsoft Windows Server — versions 2016, 2016 (Core installation), version 1803 (Core Installation)
- Microsoft Windows Server 2016 — versions 1803, 1903
- Microsoft Windows Server 2019
- Microsoft Windows Server, Version 1903 (Server Core Installation) — versions unspecified
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1091 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1091?
- CVE-2019-1091 is a medium-severity vulnerability in Microsoft Windows, classified under Information Disclosure. CVSS score: 5.5/10. Published 2019-07-15.
- How severe is CVE-2019-1091?
- Medium severity. CVSS v3 base score is 5.5 out of 10.