CVE-2017-0037
CVE-2017-0037 is a high-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 8.1. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-03-28). The underlying weakness is classified as CWE-843.
Key facts
- Severity: High (CVSS 3.x base score 8.1)
- CVSS v2: 7.6
- EPSS exploit prediction: 80% (100th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2022-03-28)
- EU (EUVD) id: EUVD-2017-0404
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2022-03-28)
- Weakness: CWE-843
- Affected product: Microsoft Edge
- Published:
- Last modified:
Description
Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which allows remote attackers to execute arbitrary code via vectors involving a crafted Cascading Style Sheets (CSS) token sequence and crafted JavaScript code that operates on a TH element.
Frequently asked questions
- What is CVE-2017-0037?
- Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which allows remote attackers to execute arbitrary code via vectors involving a crafted Cascading Style Sheets (CSS) token sequence and crafted JavaScript code that operates on a TH element.
- How severe is CVE-2017-0037?
- CVE-2017-0037 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-0037 being actively exploited?
- Yes. CVE-2017-0037 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-03-28, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2017-0037?
- CVE-2017-0037 primarily affects Microsoft Edge. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-0037?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2017-0037 have an EU (EUVD) identifier?
- Yes. CVE-2017-0037 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-0404. It is also flagged as exploited in the EUVD (since 2022-03-28).
- When was CVE-2017-0037 published?
- CVE-2017-0037 was published on 2017-02-26 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/96088
- http://www.securitytracker.com/id/1037905
- http://www.securitytracker.com/id/1037906
- https://0patch.blogspot.si/2017/03/0patching-another-0-day-internet.html
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1011
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037
- https://www.exploit-db.com/exploits/41454/
- https://www.exploit-db.com/exploits/42354/
- https://www.exploit-db.com/exploits/43125/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0037
Affected products (2)
- cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
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