CVE-2019-1215
Microsoft Windows Privilege Escalation Vulnerability
- Published
- Sep 11, 2019
- Updated
- Oct 21, 2025
- Assigning CNA
- microsoft
- Evidence observed
- Jan 7, 2020
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 97.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
An elevation of privilege vulnerability exists in the way that ws2ifsl.sys (Winsock) handles objects in memory, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1253, CVE-2019-1278, CVE-2019-1303.
Sources
2- CVE-2019-1215Exploit
Local privilege escalation exploit for CVE-2019-1215, a use-after-free in ws2ifsl.sys, targeting Windows 10 19H1 x64 with kASLR, kCFG, and SMEP bypass.
bluefrostsec · windows_x86-64 · Jan 7, 2020
Responsible use
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