SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2017-0022

Microsoft XML Core Services Information Disclosure Vulnerability

KEVMEDIUM 6.5EPSS 18.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 14 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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."

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
18.07% probability · 97th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 24 May 2022 · due 14 June 2022
Weakness
CWE-119
Affected
microsoft/xml core services · microsoft/windows 8.1 · microsoft/windows server 2008 · microsoft/windows server 2012
Source
secure@microsoft.com
EPSS trend
0%10%20%27 October 2026: 18.07%27 October 202627 October 2026

EPSS 18.1% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-0022

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.