Actively exploited · Published May 16, 2019 · Assigned by microsoft
CVE-2019-0863
High 7.8 Exploited
In plain English
A high-severity security flaw in Windows from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on November 3, 2021). The chance it is exploited in the next 30 days is estimated at 5.2% (higher than 93% of all known vulnerabilities). Apply updates per vendor instructions.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)5.2%top 7.5% of all CVEs
Exploited in the wildYesCISA KEV since Nov 3, 2021
Attack toolingNoneno public tooling known
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by May 3, 2022.
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'.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows | 7 for 32-bit Systems Service Pack 17 for x64-based Systems Service Pack 18.1 for 32-bit systems8.1 for x64-based systemsRT 8.110 for 32-bit Systems10 for x64-based Systems10 Version 1607 for 32-bit Systems |
| Microsoft | Windows Server | 2008 R2 for x64-based Systems Service Pack 1 (Core installation)2008 R2 for Itanium-Based Systems Service Pack 12008 R2 for x64-based Systems Service Pack 120122012 (Core installation)2012 R22012 R2 (Core installation)2016 |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | unspecified |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | unspecified |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | unspecified |
| Microsoft | Windows Server, version 1903 (Server Core installation) | unspecified |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863 x_refsource_MISC
- http://packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-0863 government-resource