Known Exploited Vulnerability
7.8
HIGH
CVE-2019-0863
Microsoft Windows Error Reporting (WER) Privilege - [Actively Exploited]
Description

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

INFO

Published Date :

May 16, 2019, 7:29 p.m.

Last Modified :

April 3, 2025, 9:01 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

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

Required Action :

Apply updates per vendor instructions.

Notes :

https://nvd.nist.gov/vuln/detail/CVE-2019-0863

Public PoC/Exploit Available at Github

CVE-2019-0863 has a 20 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2019-0863 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft windows_10
2 Microsoft windows_7
3 Microsoft windows_8.1
4 Microsoft windows_rt_8.1
5 Microsoft windows_server_2008
6 Microsoft windows_server_2012
7 Microsoft windows_server_2016
8 Microsoft windows_server_2019
9 Microsoft windows_server
10 Microsoft windows_10_1607
11 Microsoft windows_10_1809
12 Microsoft windows_10_1507
13 Microsoft windows
14 Microsoft windows_10_1703
15 Microsoft windows_10_1709
16 Microsoft windows_10_1803
17 Microsoft windows_server_1803
18 Microsoft windows_server_1903
19 Microsoft windows_10_1903
: Total Affected Vendor : 1 | Products : 19
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-0863.

URL Resource
http://packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863 Patch Vendor Advisory
http://packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863 Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
Cruxer8Mech/Idk

None

Updated: 10 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : May 26, 2024, 1:37 p.m. This repo has been linked 233 different CVEs too.
Profile Photo
lions2012/Penetration_Testing_POC

渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 3 months, 1 week ago
7 stars 0 fork 0 watcher
Born at : Feb. 7, 2024, 2:08 p.m. This repo has been linked 305 different CVEs too.
Profile Photo
xuetusummer/Penetration_Testing_POC

None

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 3 months, 2 weeks ago
9 stars 4 fork 4 watcher
Born at : Nov. 25, 2022, 2:30 a.m. This repo has been linked 270 different CVEs too.
Profile Photo
Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 2 months, 1 week ago
556 stars 36 fork 36 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1248 different CVEs too.
Profile Photo
ZTK-009/Penetration_PoC

None

Assembly Python Shell PHP C++ C Go

Updated: 6 months, 4 weeks ago
1 stars 0 fork 0 watcher
Born at : April 8, 2022, 10:20 a.m. This repo has been linked 126 different CVEs too.
Profile Photo
winterwolf32/CVE-S---Penetration_Testing_POC-

None

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 3 months, 1 week ago
15 stars 10 fork 10 watcher
Born at : Jan. 27, 2022, 9:53 a.m. This repo has been linked 193 different CVEs too.
Profile Photo
CnHack3r/Penetration_PoC

FROM:@Mr-xn 渗透测试有关的POC、EXP、脚本、提权、小工具等---About penetration-testing python-script poc getshell csrf xss cms php-getshell domainmod-xss penetration-testing-poc csrf-webshell cobub-razor cve rce sql sql-poc poc-exp bypass oa-getshell cve-cms

exploit cve cobaltstrike rce bypass cms-framework cms-exploits sql-scanner

Assembly Python Shell PHP C++ C Go

Updated: 6 months, 1 week ago
19 stars 7 fork 7 watcher
Born at : Jan. 11, 2022, 7:35 a.m. This repo has been linked 126 different CVEs too.
Profile Photo
fei9747/WindowsElevation

windows提权

C Perl C++ Python Ruby CMake Assembly Shell PowerShell C#

Updated: 2 years, 8 months ago
0 stars 0 fork 0 watcher
Born at : Oct. 21, 2021, 9:45 a.m. This repo has been linked 68 different CVEs too.
Profile Photo
huisetiankong478/penetration_poc

https://github.com/Mr-xn/Penetration_Testing_POC

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 2 months, 3 weeks ago
8 stars 4 fork 4 watcher
Born at : Sept. 3, 2021, 4:53 a.m. This repo has been linked 161 different CVEs too.
Profile Photo
ycdxsb/WindowsPrivilegeEscalation

Collection of Windows Privilege Escalation (Analyse/PoC/Exploit)

Updated: 2 months, 1 week ago
356 stars 67 fork 67 watcher
Born at : April 22, 2021, 3:29 a.m. This repo has been linked 276 different CVEs too.
Profile Photo
Al1ex/WindowsElevation

Windows Elevation(持续更新)

cve-2021-1732 cve-2020-1362 cve-2020-1337 cve-2020-1066 cve-2020-1054 cve-2020-0796 cve-2020-0787 cve-2020-0668 cve-2020-0683 cve-2019-1405 cve-2019-0863 cve-2019-0803 ms17-010 ms17-017 ms14-068 ms08-067 ms08-068 cve-2020-5272 cve-2022-21882 cve-2022-22718

C Perl C++ Python Ruby CMake Assembly Shell PowerShell C#

Updated: 2 months, 2 weeks ago
646 stars 162 fork 162 watcher
Born at : March 29, 2021, 4:40 a.m. This repo has been linked 71 different CVEs too.
Profile Photo
alphaSeclab/sec-daily-2019

2019年天融信阿尔法实验室在微信公众号发布的所有安全资讯汇总

Updated: 6 months, 3 weeks ago
34 stars 5 fork 5 watcher
Born at : Jan. 11, 2021, 2:13 a.m. This repo has been linked 241 different CVEs too.
Profile Photo
YIXINSHUWU/Penetration_Testing_POC

None

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 1 year ago
51 stars 17 fork 17 watcher
Born at : Sept. 27, 2020, 5:51 a.m. This repo has been linked 129 different CVEs too.
Profile Photo
pentration/gongkaishouji

公开收集所用

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 4 years, 7 months ago
0 stars 14 fork 14 watcher
Born at : Sept. 1, 2020, 9:27 a.m. This repo has been linked 126 different CVEs too.
Profile Photo
Tyro-Shan/gongkaishouji

公开收集所用

Assembly Python Shell PHP C++ C Go Ruby HTML Java

Updated: 4 years, 7 months ago
0 stars 15 fork 15 watcher
Born at : Aug. 31, 2020, 1:32 p.m. This repo has been linked 126 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-0863 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-0863 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Modified Analysis by [email protected]

    Apr. 03, 2025

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* OR *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:* *cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:* *cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:* *cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:* *cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:arm64:* *cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:x86:* *cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:arm64:* *cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x86:* *cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:arm64:* *cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x86:* *cpe:2.3:o:microsoft:windows_server_1803:-:*:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_10_1703:-:*:*:*:*:*:x86:*
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 07, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html
    Added Reference https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 20, 2023

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html No Types Assigned http://packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html Third Party Advisory, VDB Entry
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-264 NVD-CWE-noinfo
  • CVE Modified by [email protected]

    May. 24, 2019

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/153008/Angry-Polar-Bear-2-Microsoft-Windows-Error-Reporting-Local-Privilege-Escalation.html [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 20, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0863 Patch, Vendor Advisory
    Added CWE CWE-264
    Added CPE Configuration OR *cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:* *cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* *cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* *cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-0863 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-0863 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

12.80 }} -9.34%

score

0.93395

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: