CVE-2019-0948

MEDIUM EXPLOITED

Windows Event Viewer - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2019-0948 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including hyp3rlinx.

AI-analyzed exploit summary This exploit demonstrates an XXE (XML External Entity) vulnerability in Microsoft Event Viewer, allowing remote file access via a malicious Custom View XML file. The PoC includes payload.dtd and MyCustomView.xml to exfiltrate files like C:\Windows\system.ini to an attacker-controlled server.

Description

An information disclosure vulnerability exists in the Windows Event Viewer (eventvwr.msc) when it improperly parses XML input containing a reference to an external entity. An attacker who successfully exploited this vulnerability could read arbitrary files via an XML external entity (XXE) declaration. To exploit the vulnerability, an attacker could create a file containing specially crafted XML content and convince an authenticated user to import the file. The update addresses the vulnerability by modifying the way that the Event Viewer parses XML input.

Exploits (1)

exploitdb WORKING POC VERIFIED
by hyp3rlinx · textlocalwindows
https://www.exploit-db.com/exploits/40863

This exploit demonstrates an XXE (XML External Entity) vulnerability in Microsoft Event Viewer, allowing remote file access via a malicious Custom View XML file. The PoC includes payload.dtd and MyCustomView.xml to exfiltrate files like C:\Windows\system.ini to an attacker-controlled server.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Microsoft Event Viewer 1.0
No auth needed
Prerequisites: Victim must import the malicious XML file via USB/remote share · Attacker must host payload.dtd on a controlled server
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Scores

CVSS v3 4.7
EPSS 0.1267
EPSS Percentile 95.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

VulnCheck KEV 2024-05-06
CWE
CWE-611
Status published
Products (18)
microsoft/windows_10
microsoft/windows_10 1607
microsoft/windows_10 1703
microsoft/windows_10 1709
microsoft/windows_10 1803
microsoft/windows_10 1809
microsoft/windows_10 1903
microsoft/windows_7
microsoft/windows_8.1
microsoft/windows_rt_8.1
... and 8 more
Published Jun 12, 2019
Tracked Since Feb 18, 2026