MEDIUM 4.3 Microsoft

CVE-2026-66798

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Microsoft Security Update 2026-Aug: Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Affected Products

Microsoft Edge for iOS
Microsoft Edge for MAC
Microsoft Edge for Linux
Microsoft Edge for Android
Microsoft Edge for Windows
Microsoft Edge (Chromium-based)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66798
https://nvd.nist.gov/vuln/detail/CVE-2026-66798

Published: 2026-08-11 · Source: Microsoft · Feed updated: 2026-09-26

This medium severity vulnerability with a CVSS score of 4.3 was published on 2026-08-11 via Microsoft. Affected: Microsoft Edge for iOS, Microsoft Edge for MAC, Microsoft Edge for Linux and 3 more.

vulnfeed aggregates 11591 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.