CVE-2025-47963
Microsoft Edge (Chromium-based) Spoofing Vulnerability
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
6.3
Microsoft Edge (Chromium-based) Spoofing Vulnerability
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
- Record
CVE-2025-47963- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C - Weakness
- CWE-451, CWE-451
- Updated
- 2026-11-02
EUVDEUVD-2025-21172
6.3
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
- Record
EUVD-2025-21172- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3393-xjfj-fh77
6.3
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to...
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
- Record
GHSA-3393-xjfj-fh77- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-451
- Updated
- 2026-11-02
NVD
6.3
No cwe for this issue in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
- Record
CVE-2025-47963- CVSS 3.1
- 6.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Weakness
- CWE-451
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-47963 is a medium vulnerability (CVSS 6.3) in Microsoft Edge (chromium-based), published July 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 50th percentile. No source names a fixed version.