What is CVE-2026-33939?

CVE-2026-33939 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Which CVE IDs does CVE-2026-33939 cover?

CVE-2026-33939 covers the following CVE IDs: CVE-2026-33939. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-33939?

CVE-2026-33939 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-33939HighCVSS 7.5

Handlebars.js has Denial of Service via Malformed Decorator Syntax in Template Compilation

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-33939 →