CVE-2019-0863

An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.

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

5.21% chance of exploitation in the next 30 days, 92nd percentile

CISA KEV

added 2021-11-03

Published

2019-05-16

Updated

2025-10-21

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/46917

Security advisories

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863
• http://packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Re…

References

• CVE Record
• NVD entry