CVE DATABASE / CVE-2017-0222
CVE-2017-0222
Microsoft Internet Explorer Remote Code Execution Vulnerability
CVSS 8.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-02-25.
Federal remediation due 2022-08-25.
Required action: Apply updates per vendor instructions.
Summary
A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory, aka "Internet Explorer Memory Corruption Vulnerability." This CVE ID is unique from CVE-2017-0226.
CVSS 3.1 breakdown
| Base score | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Microsoft internet explorerMicrosoft windows server 2008Microsoft windows 10 1507Microsoft windows 10 1511Microsoft windows 10 1607Microsoft windows 10 1703Microsoft windows 7Microsoft windows 8.1Microsoft windows rt 8.1Microsoft windows server 2012Microsoft windows server 2016
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References
- http://www.securityfocus.com/bid/98127
- http://www.securitytracker.com/id/1038423
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0222
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0222
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-22. Always verify against the vendor advisory before acting.