CISA KEV · Known exploitedMedium

CVE-2017-0022

Microsoft XML Core Services

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."

CVSS: 6.5
EPSS: 18.1%
CISA KEV: Listed
Published: 2017.03.17

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability18.1%

Technical severityCVSS 6.5

Vulnerability overview

Affected product and versions

Product: Microsoft XML Core Services
Affected versions: 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, 3.0, r2
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.06.14

1
Identify
Confirm that Microsoft XML Core Services and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CWE: CWE-119, CWE-200
KEV added: 2022.05.24
Ransomware use: 미확인