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HIGH · 8.3

CVE-2026-58281

Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Vulnerability Description

Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

CVSS Score

8.3

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
MicrosoftEdge Chromium< 150.0.4078.48

Related Weaknesses (CWE)

CWE-502

References

FAQ

What is CVE-2026-58281?

CVE-2026-58281 is a vulnerability with a CVSS score of 8.3 (HIGH). Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

How severe is CVE-2026-58281?

CVE-2026-58281 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-58281?

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