CVE-2026-57978
MEDIUMCVSS 5.4/10EPSS 0.22%
Last modified
CVE-2026-57978 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Edge Chromium | < 150.0.4078.99 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-57978?
Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
How severe is CVE-2026-57978?
CVE-2026-57978 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2026-57978?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
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Are you affected by CVE-2026-57978?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST