Home/CVE/Microsoft Edge and Internet Explorer Type Confusion Vulnerability
CVE

CVE-2017-0037

Microsoft Edge and Internet Explorer Type Confusion Vulnerability

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.

HIGH · CVSS 8.1 ⚠ CISA KEV EPSS 0.89096
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  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
▤

Affected Products & Versions

2
microsoft edgeall versions
microsoft internet explorerall versions
⚠

Public Exploits & PoCs

8
remoteMicrosoft Internet Explorer 11 (Windows 7 x86) - 'mshtml.dll' Remote Code Execution (MS17-007)verified
remoteMicrosoft Internet Explorer - 'mshtml.dll' Remote Code Execution (MS17-007)2017-07-24
dosMicrosoft Edge / Internet Explorer - 'HandleColumnBreakOnColumnSpanningElement' Type Confusionverified
poc0patch.blogspot.si · 0patching-another-0-day-internet.html0patch.blogspot.si
pocbugs.chromium.org · detail?id=1011bugs.chromium.org
pocwww.exploit-db.com · 41454www.exploit-db.com
pocwww.exploit-db.com · 42354www.exploit-db.com
pocwww.exploit-db.com · 43125www.exploit-db.com
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumInternet Explorer DisableFirstRunCustomize Enabled
productmediumInternet Explorer Autorun Keys Modification
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Feb 2017 · 11:59 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
cisaKEV-CVE-2017-0037
msrcCVE-2017-0037Remote Code Execution
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/96088Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037905Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037906Broken LinkThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037PatchVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0037US Government Resource
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