Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability

ÉLEVÉE 7.8EXPLOITED (CISA KEV)CVE-2019-0863 · Published 16/05/2019 · updated 17/06/2026

Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2021. Patch affected systems as an emergency.

En bref

CVE-2019-0863 est une vulnérabilité ÉLEVÉE (CVSS 7.8).
Exploitée activement : la CISA l'a ajoutée au catalogue KEV le 03/11/2021.
Probabilité d'exploitation dans les 30 prochains jours (EPSS) : 5.2%, plus élevée que 92.5% des vulnérabilités.
Aucune version corrigée n'est encore connue : suivez l'avis de l'éditeur dans les références.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

Description

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

References

packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html · Third Party Advisory
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2019-0863

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