CVE-2017-0037

Microsoft Edge and Internet Explorer Type Confusion

8.1 HIGHActively exploited (CISA KEV)Public exploitEPSS 80.4%

Published26 Feb 2017
Added to CISA KEV28 Mar 2022
Remediation due18 Apr 2022

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 breakdown

Attack vectorNetwork

Attack complexityHigh

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Edgeall versions

Microsoft Internet Explorer11

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Patch & vendor advisories

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037

References

https://0patch.blogspot.si/2017/03/0patching-another-0-day-internet.htmlExploitThird Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1011ExploitIssue TrackingThird Party Advisory
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
https://www.exploit-db.com/exploits/41454/ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/42354/ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/43125/ExploitThird Party AdvisoryVDB Entry
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

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2017-0037 being actively exploited?

Yes. CVE-2017-0037 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 28 Mar 2022.

How severe is CVE-2017-0037?

CVE-2017-0037 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 80.4% probability of exploitation.

Which products are affected by CVE-2017-0037?

Affected products include Microsoft Edge, Microsoft Internet Explorer.

How do I fix CVE-2017-0037?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2017-0037 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.