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Microsoft Security Response CenterCVE-2026-45495

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

HighVendor CVSS 8.8 / 10 1 CVE Published May 15, 2026 at 7:00 AM UTC

Summary

According to the CVSS metric, the attack vector is network (AV:N) and the attack complexity is low (AC:L).

What does that mean for this vulnerability?

The attack vector is Network (AV:N) because this vulnerability is remotely exploitable and can be exploited from the internet. The attack complexity is Low (AC:L) because an attacker does not require significant prior knowledge of the system and can achieve repeatable success with the payload against the vulnerable component.

Products covered

  • Microsoft Edge (Chromium-based)

Remediation

Release Notes

Vendor-listed fixes

  • 148.0.3967.70

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.