Microsoft Edge Remote Code Execution via Deserialization

Publication date: 2026-07-11

Last updated on: 2026-07-11

Assigner: Microsoft Corporation

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-11

Last Modified

2026-07-11

Generated

2026-07-12

AI Q&A

2026-07-12

EPSS Evaluated

N/A

NVD

CVE-2026-58281

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	edge	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-502	The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

Attack-Flow Graph

Executive Summary

This vulnerability involves the deserialization of untrusted data in Microsoft Edge (Chromium-based). It allows an unauthorized attacker to execute code remotely over a network.

Impact Analysis

An attacker exploiting this vulnerability can execute arbitrary code on your system remotely, potentially leading to full compromise of confidentiality, integrity, and availability of your data and system.

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