CVE-2026-58278 — MEDIUM (5.4)

Q: What is CVE-2026-58278?

CVE-2026-58278 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

Q: How severe is CVE-2026-58278?

CVE-2026-58278 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-58278?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge Chromium.

Vulnerability Description

Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Microsoft	Edge Chromium	< 150.0.4078.48

Related Weaknesses (CWE)

CWE-918

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58278Vendor Advisory

FAQ

What is CVE-2026-58278?

CVE-2026-58278 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Server-side request forgery (ssrf) in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

How severe is CVE-2026-58278?

CVE-2026-58278 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-58278?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge Chromium.