Vulnerability in Microsoft Windows
CVE-2019-1380
A local elevation of privilege vulnerability exists in how splwow64.exe handles certain calls, aka 'Microsoft splwow64 Elevation of Privilege Vulnerability'.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.008 (55.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.001
Affected products
- Microsoft Windows — versions 8.1 for 32-bit systems, 8.1 for x64-based systems, RT 8.1
- Microsoft Windows 10 — versions 1607, 1709, 1803
- 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 8.1
- Microsoft Windows Rt 8.1
- Microsoft Windows Server — versions 2012, 2012 (Core installation), 2012 R2
- Microsoft Windows Server 2012 — versions r2
- Microsoft Windows Server 2016 — versions 1803, 1903
Weakness classification (CWE)
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1380 (Patch, Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-19-987/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2019-1380?
- CVE-2019-1380 is a high-severity vulnerability in Microsoft Windows, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2019-11-12.
- How severe is CVE-2019-1380?
- High severity. CVSS v3 base score is 7.8 out of 10.