CVE-2026-45494

MEDIUM

Published May 18, 2026 Modified May 19, 2026 CWE-79

Description

Microsoft Edge (Chromium-based) Spoofing Vulnerability

CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS — Exploit Prediction

0.0005

Probability of exploitation

0.15%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
microsoft	edge_chromium	< 148.0.3967.70

References

Advisories & Patches

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45494

Frequently Asked Questions

What is CVE-2026-45494? +

Microsoft Edge (Chromium-based) Spoofing Vulnerability It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-45494? +

CVE-2026-45494 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0005, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-45494? +

CVE-2026-45494 affects products from microsoft, specifically: edge_chromium. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-45494? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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