CVE-2025-47963

CVE-2025-47963 is a medium-severity vulnerability in Microsoft Edge Chromium with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-451.

Key facts

Description

No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Frequently asked questions

What is CVE-2025-47963?
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
How severe is CVE-2025-47963?
CVE-2025-47963 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-47963 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-47963?
CVE-2025-47963 affects Microsoft Edge Chromium. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-47963?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-47963 have an EU (EUVD) identifier?
Yes. CVE-2025-47963 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21172.
When was CVE-2025-47963 published?
CVE-2025-47963 was published on 2025-07-11 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Microsoft Edge Chromium

All CVEs affecting Microsoft Edge Chromium →

Other CWE-451 vulnerabilities

Browse all CWE-451 vulnerabilities →