Microsoft Edge (EdgeHTML-based) — Vulnerabilities & Security Advisories 14

This page catalogs known vulnerabilities within the EdgeHTML-based version of Microsoft Edge, specifically focusing on security weaknesses and their associated classifications. It serves as a historical record for tracking flaws that were present in the browser engine prior to its transition to the Chromium platform, ensuring that older legacy systems or specific enterprise deployments relying on the deprecated technology can be properly audited. The content aggregates data regarding various security issues, including remote code execution, cross-site scripting, and privilege escalation flaws, covering the full operational lifespan of the EdgeHTML architecture from its initial release through its end-of-support phase. By consulting this aggregation, security professionals can effectively track Microsoft’s historical advisory patterns for this specific browser engine, gain a deeper understanding of how certain weakness classes manifested in the EdgeHTML codebase, and examine the comprehensive vulnerability history to assess risk exposure for legacy environments. This resource is intended to support security research, compliance auditing, and incident response efforts by providing a consolidated view of past security incidents. Understanding these historical data points allows organizations to better contextualize their current security posture and ensures that any residual risks associated with older software components are accurately identified and mitigated.