CVE-2017-0022
Actively exploited. CVE-2017-0022 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-05-24) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Microsoft XML Core Services (MSXML) improperly handles objects in memory, allowing attackers to test for files on disk via a crafted web site.
CSIRTS triage
- What
- Microsoft XML Core Services (MSXML) improperly handles objects in memory, allowing attackers to test for files on disk via a crafted web site.
- Who is affected
- Deployments of Microsoft XML Core Services are affected.
- Urgency
- Remediation is urgent due to active exploitation and critical severity.
- Action
- Apply the latest security patch for XML Core Services.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2017-0022
Get an email if CVE-2017-0022 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 97% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2017-0022: Microsoft XML Core Services Information Disclosure Vulnerabilitycisa-kev · 2022-05-24
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2017-0022)