[ CVE-2019-0863 · Published 16 May 2019 ]
Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 5%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
[ Description ]Official description
An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files, aka 'Windows Error Reporting Elevation of Privilege Vulnerability'.
CISA: Microsoft Windows Error Reporting (WER) contains a privilege escalation vulnerability due to the way it handles files, allowing for code execution in kernel mode.
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.
- Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporti…Third Party AdvisoryVDB Entry
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource