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

CVE-2017-0022 · Severity: critical · CVSS 6.5 · Exploited in the wild · Published 2022-05-24

Microsoft XML Core Services (MSXML) improperly handles objects in memory, leading to an information disclosure vulnerability. An attacker can exploit this by hosting a crafted website to test for the existence of specific files on a user's disk.

Technologies: Microsoft XML Core Services. Vendors: Microsoft.

Quick answers

Is CVE-2017-0022 exploited in the wild?
Yes. CVE-2017-0022 is known to be exploited in the wild, first recorded on 24 May 2022. Treat it as urgent.
How severe is CVE-2017-0022?
Critical severity, with a CVSS score of 6.5, published 24 May 2022.
Which products and versions are affected?
Microsoft XML Core Services 3.0; Microsoft Windows 10 Gold, 1511, 1607; Microsoft Windows 7 SP1; Microsoft Windows 8.1; and 5 more.
Is there a fix for CVE-2017-0022?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2017-0022 attacked?
It is attacked over the network, in an operating system.
Am I affected by CVE-2017-0022?
Check whether you run Microsoft XML Core Services. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft XML Core Services 3.0
  • Microsoft Windows 10 Gold, 1511, 1607
  • Microsoft Windows 7 SP1
  • Microsoft Windows 8.1
  • Microsoft Windows RT 8.1
  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows Server 2012 Gold, R2
  • Microsoft Windows Server 2016
  • Microsoft Windows Vista SP2

Timeline

  • 2017-09-01: exploited: Exploit kit activity reported by 0patch.
  • 2022-05-24: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
  • 2022-05-24: disclosed

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