CVE-2026-45495 Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

High 8.8 Published Updated

Attackers can execute arbitrary code remotely via Microsoft Edge, requiring users to apply vendor patches immediately.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-45495?

CVE-2026-45495 is a high-severity code injection vulnerability in Microsoft Edge Chromium, published on 18 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Weakness: CWE-94, CWE-20, CWE-119, CWE-35

Which versions are affected by CVE-2026-45495?

It affects 1 product.

Products include Microsoft Edge Chromium.

How do I fix CVE-2026-45495?

No fix has been published for CVE-2026-45495 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-45495 being exploited?

There is no known exploitation of CVE-2026-45495 in the wild and no public exploit code.

All Microsoft Edge Chromium vulnerabilities

Sources

Also known as GHSA-52mp-27cf-fhvh.

Is CVE-2026-45495 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free