CVE-2017-0037

Name: CVE-2017-0037
Creator: NVD / NIST
Published: 2017-02-26T23:59:00.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10Actively ExploitedEPSS 80.39%

Last modified Jun 17, 2026

CVE-2017-0037 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. CISA has confirmed active exploitation in the wild. EPSS estimates a 80.39% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

80.39%

99.6th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 18, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Microsoft	Edge	All versions
Microsoft	Internet Explorer	11

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

Timeline

Published: Feb 26, 2017
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2017-0037?

How severe is CVE-2017-0037?

CVE-2017-0037 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 80.39% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2017-0037?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-0037?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST