CVE-2019-0863
Actively exploited. CVE-2019-0863 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2019-0863 is indexed in Exploit-DB. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
Microsoft Windows Error Reporting (WER) contains a privilege escalation vulnerability due to the way it handles files, allowing for code execution in kernel mode.
CSIRTS triage
- What
- The vulnerability allows for privilege escalation due to improper file handling.
- Who is affected
- Users of Microsoft Windows are affected.
- Urgency
- Immediate remediation is necessary due to active exploitation and critical severity.
- Action
- Apply the latest security updates for Windows.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 92% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2019-0863 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- Exploit-DBA public exploit is published in the Exploit-DB archive.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2019-0863: Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerabilitycisa-kev · 2021-11-03
External references
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