CVE-2017-0037
Microsoft Edge and Internet Explorer Type Confusion Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 18 April 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 8.1 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 80.39% probability · 100th percentile
- Public exploits
- 3 in Exploit-DB · verified · first 24 February 2017
- CISA KEV
- Listed 28 March 2022 · due 18 April 2022
- Weakness
- CWE-843
- Affected
- microsoft/edge · microsoft/internet explorer
- Source
- secure@microsoft.com
EPSS 80.4% since 27 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-0037
Public exploits (3)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
| EDB-ID | Title | Type | Published | Verified |
|---|---|---|---|---|
| EDB-43125source ↗ | Microsoft Internet Explorer 11 (Windows 7 x86) - 'mshtml.dll' Remote Code Execution (MS17-007)windows_x86 · mschenk | remote | 17 October 2017 | yes |
| EDB-42354source ↗ | Microsoft Internet Explorer - 'mshtml.dll' Remote Code Execution (MS17-007)windows_x86-64 · redr2e | remote | 24 July 2017 | no |
| EDB-41454source ↗ | Microsoft Edge / Internet Explorer - 'HandleColumnBreakOnColumnSpanningElement' Type Confusionwindows · Google Security Research | dos | 24 February 2017 | yes |
References
- http://www.securityfocus.com/bid/96088Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037905Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037906Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.si/2017/03/0patching-another-0-day-internet.htmlExploit, Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1011Exploit, Issue Tracking, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/41454/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42354/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/43125/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/96088Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037905Broken Link, Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037906Broken Link, Third Party Advisory, VDB Entry
- https://0patch.blogspot.si/2017/03/0patching-another-0-day-internet.htmlExploit, Third Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1011Exploit, Issue Tracking, Third Party Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037Patch, Vendor Advisory
- https://www.exploit-db.com/exploits/41454/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/42354/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/43125/Exploit, Third Party Advisory, VDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0037US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.