Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability

Microsoft Windows Error Reporting (WER) contains a privilege escalation vulnerability due to the way it handles files, allowing for code execution in kernel mode.

cat cve-2019-0863.json

Vendor: Microsoft
Product: Windows
CVSS: 7.8
EPSS (exploit probability): 5.2%
Status: kev
CISA patch-by (BOD 22-01): May 3, 2022
Published: November 3, 2021
Source: https://nvd.nist.gov/vuln/detail/CVE-2019-0863

Microsoft Windows Error Reporting (WER) contains a privilege escalation vulnerability due to the way it handles files, allowing for code execution in kernel mode.

Added to CISA’s Known Exploited Vulnerabilities catalog on 2021-11-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-05-03.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.