What is the CVSS score of CVE-2017-0037?

CVE-2017-0037 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 90.5%.

Is there a public PoC exploit available for CVE-2017-0037?

Yes, a public proof-of-concept exploit is available for CVE-2017-0037. Prioritise patching immediately. EPSS: 90.5%.

Is there a patch available for CVE-2017-0037?

Yes, a patch is available for CVE-2017-0037. Update the affected software to the latest version immediately.

Microsoft CVE-2017-0037

HIGH

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

2017-02-26 secure@microsoft.com

Microsoft RCE Memory Corruption

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Apr 21, 2026 - 15:31 CISA

CVE Published

Feb 26, 2017 - 23:59 cve.org

HIGH 8.1

DescriptionCVE.org

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.

AnalysisAI

Microsoft Internet Explorer 10 and 11 and Microsoft Edge have a type confusion issue in the Layout::MultiColumnBoxBuilder::HandleColumnBreakOnColumnSpanningElement function in mshtml.dll, which. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. Actively exploited in the wild (cisa kev) and public exploit code available.

Technical ContextAI

This vulnerability is classified as Access of Resource Using Incompatible Type (Type Confusion) (CWE-843), which allows attackers to execute arbitrary code by exploiting type confusion in the application. 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. Affected products include: Microsoft Edge, Microsoft Internet Explorer.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Enforce strict type checking, use type-safe languages, validate object types before operations.