CVE-2026-45494

MEDIUMNVD 5.45.4—

5.4

Microsoft Edge (Chromium-based) Spoofing Vulnerability

CVSS v3: 5.4
EG Score: 5.4(high)
EPSS: 14.0%
KEV: Not listed

Published

May 18, 2026

Last Modified

May 19, 2026

References (1)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45494

Vendor Advisories for CVE-2026-45494(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Frequently asked(5)

What is CVE-2026-45494?

CVE-2026-45494 is a medium vulnerability published on May 18, 2026. Microsoft Edge (Chromium-based) Spoofing Vulnerability

When was CVE-2026-45494 disclosed?

CVE-2026-45494 was first published in the National Vulnerability Database on May 18, 2026, with the most recent update on May 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-45494 actively exploited?

CVE-2026-45494 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 14.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-45494?

CVE-2026-45494 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2026-45494?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-45494, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-45494

Explore →

Is Your Infrastructure Affected by CVE-2026-45494?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2026-45494

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-45494(2)

❓ Frequently asked(5)