What is CVE-2026-95303?

CVE-2026-95303 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. Chromium CVE-2026-95303: Incomplete cleanup in SmartCard

Which CVE IDs does CVE-2026-95303 cover?

CVE-2026-95303 covers the following CVE IDs: CVE-2026-95303. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-95303?

CVE-2026-95303 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-95303?

CVE-2026-95303 affects 1 product, including: Microsoft Edge (Chromium-based).

CVE-2026-95303MediumCVSS 6.5

Chromium CVE-2026-95303: Incomplete cleanup in SmartCard

Vendor

Microsoft Security Response Center (MSRC)

Published

September 25, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-95303 →

📋 Description

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

🎯 Affected products1

Microsoft Edge (Chromium-based)

✅ Remediation

KBRelease Notes (Security Update) — fixed build 154.0.4258.37

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-95303
patchhttps://catalog.update.microsoft.com/Search.aspx?q=Edge-Stable
referencehttps://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security