CVE-2019-1215

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.

Affected

Microsoft · Windows · Windows Server · Windows 10 Version 1903 for 32-bit Systems · Windows 10 Version 1903 for x64-based Systems · Windows 10 Version 1903 for ARM64-based Systems · Windows Server, version 1903 (Server Core installation)

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

19.25% chance of exploitation in the next 30 days, 97th percentile

CISA KEV

added 2021-11-03, used in ransomware campaigns

Published

2019-09-11

Updated

2025-10-21

Proof-of-concept exploits (1)

• bluefrostsecurity/CVE-2019-1215149★ · 2020-01-07

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/47935

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1215

References

• CVE Record
• NVD entry

Related

• CVE-2020-0041
• CVE-2021-28476
• CVE-2023-2008