CVE-2017-0222
Actively exploited. CVE-2017-0222 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-02-25) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory.
CSIRTS triage
- What
- A remote code execution vulnerability exists due to improper access to objects in memory.
- Who is affected
- Users of Microsoft Internet Explorer.
- Urgency
- Immediate remediation is required due to active exploitation and critical severity.
- Action
- Update Internet Explorer to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 98% of all EPSS-scored CVEs.
Advisory coverage (1)
- criticalexploitedCVE-2017-0222: Microsoft Internet Explorer Remote Code Execution Vulnerabilitycisa-kev · 2022-02-25
External references
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[](https://www.csirts.com/cve/CVE-2017-0222)