CVE-2017-0037Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which allow…
Updated under an hour ago ()
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It affects Microsoft Corporation Internet Browser and 2 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Mar 28, 2022; federal agencies had to remediate by Apr 18, 2022. Treat that date as your deadline.
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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
- 8.1 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-843
- Known exploited
- Added to CISA KEV Mar 28, 2022; federal remediation due Apr 18, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 80.39% (percentile 100)
- Assigned by
- microsoft
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Microsoft Corporation Internet Browser microsoft:internet_browser (from the name) | Internet Explorer 10 and 11 and Edge | CNA record |
microsoft edge microsoft:edge | all versions | NVD |
microsoft internet_explorer microsoft:internet_explorer | 11 | NVD |
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1011x-refsource-misc, exploit, issue-tracking, third-party-advisory
- https://0patch.blogspot.si/2017/03/0patching-another-0-day-internet.htmlx-refsource-misc, exploit, third-party-advisory
- http://www.securityfocus.com/bid/96088vdb-entry, x-refsource-bid, broken-link, third-party-advisory
- https://www.exploit-db.com/exploits/41454/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0037x-refsource-confirm, patch, vendor-advisory
- https://www.exploit-db.com/exploits/43125/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://www.securitytracker.com/id/1037905vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
- https://www.exploit-db.com/exploits/42354/exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
- http://www.securitytracker.com/id/1037906vdb-entry, x-refsource-sectrack, broken-link, third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-0037us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.