High severity · published May 16, 2019
CVE-2019-0863
Microsoft Windows Error Reporting (WER) Privilege Escalation Vulnerability
In wildKEV
7.8
CVSS
5.2%
EPSS
Yes
On 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'.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)5.2% · higher than 92% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useNot known
Affected products
Which versions
WI
Windows · Microsoft
7 for 32-bit Systems Service Pack 1; 7 for x64-based Systems Service Pack 1; 8.1 for 32-bit systems; 8.1 for x64-based systems; RT 8.1; 10 for 32-bit Systems; +14 more · source: vendor, KEV
W1
Windows 10 Version 1903 for 32-bit Systems · Microsoft
All versions, or not specified · source: vendor
W1
Windows 10 Version 1903 for ARM64-based Systems · Microsoft
All versions, or not specified · source: vendor
W1
Windows 10 Version 1903 for x64-based Systems · Microsoft
All versions, or not specified · source: vendor
WS
Windows Server, version 1903 (Server Core installation) · Microsoft
All versions, or not specified · source: vendor
W1
Windows 10 1507 · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 1607 · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 1703 · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 1709 · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 1803 · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 1809 · Microsoft
All versions, or not specified · source: NVD
W1
Windows 10 1903 · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-0863
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-0863
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
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
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