Security readout for executives and security teams
CVE-2017-0222 is an Internet Explorer memory corruption flaw that can let an attacker run code after user interaction. The business risk is legacy Windows systems where Internet Explorer remains present or usable. CISA KEV inclusion means it has been known exploited, so treat remaining exposure as urgent technical debt. Exposure is most likely on legacy Windows endpoints or servers that still include affected Internet Explorer versions, especially Windows 7, 8.1, Server 2008, Server 2012, Windows 10 early releases, and Server 2016 listed in the source bundle. High priority for any environment with legacy Windows or Internet Explorer dependencies. KEV status makes this more than a theoretical issue, but urgency depends on whether affected systems remain present and reachable by users. Mitigation focus: Review the MSRC advisory for supported security updates and mitigations.; Prioritize remediation on systems still exposing Internet Explorer or IE-based workflows.; Retire or restrict Internet Explorer use where business processes allow..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-787: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-0222 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0222CVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0222CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.