CVEs / CVE-2017-0022

CVE-2017-0022: Microsoft XML Core Services Information Disclosure Vulnerability

Known exploited in the CISA KEV catalog since 24 May 2022
medium 6.5 CVSS 3.1 (NVD)
EPSS 18% chance of exploitation in the next 30 days, higher than 97% of CVEs (30 Oct 2026)
Last changed at its sources 17 Jun 2026

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Summary

Microsoft XML Core Services (MSXML) improperly handles objects in memory, allowing attackers to test for files on disk via a crafted web site.
CISA, Known Exploited Vulnerabilities catalog

Description

Microsoft XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; Windows 7 SP1; Windows 8.1; Windows RT 8.1; Windows Server 2008 SP2 and R2 SP1; Windows Server 2012 Gold and R2; Windows Server 2016; and Windows Vista SP2 improperly handles objects in memory, allowing attackers to test for files on disk via a crafted web site, aka "Microsoft XML Information Disclosure Vulnerability."
The CVE record, via NVD · published 17 Mar 2017 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
Microsoft Corporation XML Core Services	XML Core Services (MSXML) in Windows 10 Gold, 1511, and 1607; Windows 7 SP1; Windows 8.1; Windows RT 8.1; Windows Server 2008 SP2 and R2 SP1; Windows Server 2012 Gold and R2; Windows Server 2016; and Windows Vista SP2	—

Exploitation

In CISA KEV since	24 May 2022
Due date for US federal agencies	14 Jun 2022
Used in ransomware campaigns	Unknown
Required action	Apply updates per vendor instructions.

Severity

CVSS 3.1	6.5 medium `CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N` Scored by NVD
Weakness	CWE-119

References

CVE-2017-0022 on NVD
CVE-2017-0022 in the CISA KEV catalog
http://www.securityfocus.com/bid/96069 Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1038014 Broken Link, Third Party Advisory, VDB Entry
https://0patch.blogspot.com/2017/09/exploit-kit-rendezvous-and-cve-2017-0022.html Exploit
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0022 Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0022 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.