CVE-2026-85898— Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Quick assessment

Affected

Microsoft Microsoft Edge (Chromium-based)

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Edge（基于 Chromium）中存在因使用不兼容类型访问资源（即“类型混淆”）的漏洞，允许未经授权的攻击者通过网络执行代码。

CVSS 8.8 · High Updated Oct 28, 2026

Possible ATT&CK Techniques 2 AI

T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

使用不兼容类型访问资源(类型混淆)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Microsoft	Microsoft Edge (Chromium-based)	1.0.0.0 ~ 154.0.4258.48	-

II. Public POCs for CVE-2026-85898

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-85898

请登录查看更多情报信息。

Other References for CVE-2026-85898 (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85898 vendor-advisory patch

https://www.cve.org/CVERecord?id=CVE-2026-85898

Same Patch Batch · Microsoft · 2026-10-27 · 3 CVEs total

CVE-2026-83831	8.8 HIGH	Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
CVE-2026-62765	7.5 HIGH	Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft Edge (Chromium-based)

Same vendor: Microsoft

Same weakness: CWE-843