Microsoft · XML Core Services

CVE-2017-0022

Microsoft XML Core Services Information Disclosure Vulnerability

Exploited in attacks Medium 6.5 Attack chance: 18%

What it is

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."

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

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: June 14, 2022

Added to the CISA list: May 24, 2022
Published: March 17, 2017
Severity: Medium 6.5 CVSS 3.1
Chance of attacks in the next 30 days (EPSS): 18% in the top 2.8% of all known vulnerabilities
Weakness: CWE-200
More details: NVD · CVE.org · CISA

All references (4)

More exploited flaws from Microsoft

Added	Vulnerability	Product	Severity	Attack chance
Jun 8, 2022	Memory CorruptionCVE-2012-1889	XML Core Services	High 8.8	84%
Oct 13, 2026	Command InjectionCVE-2026-96951	Windows	High 8.8	9.8%
Sep 25, 2026	Code InjectionCVE-2026-65660	SharePoint	High 8.8	8.2%
Sep 8, 2026	Link FollowingCVE-2026-81963	Windows	High 7.8	0.4%
Sep 8, 2026	Heap-Based Buffer OverflowCVE-2026-85880	Windows	High 7.8	0.4%
Aug 26, 2026	Remote Code ExecutionCVE-2019-1068	SQL Server	High 8.8	57%
Aug 18, 2026	Double FreeCVE-2026-33824	Internet Key Exchange (IKE) Service Extensions	Critical 9.8	77%
Aug 18, 2026	Weak AuthenticationCVE-2026-55040	SharePoint	Critical 9.1	70%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.