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Vulnerability record · CVE-2019-0948 · published 12 June 2019

CVE-2019-0948: Microsoft windows 10 xml external entity (xxe) vulnerability

Microsoft · Windows 10

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.

4.7 CVSS 3.1 Medium EPSS 13% · top 3.9% CWE-611 · XML external entity (XXE)
4.7CVSS 3.1 base score, v2 4.3
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
8Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected products

8 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-0948
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0948 PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-19-641/

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-0948), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.