CVE-2026-69446— Microsoft Edge (Chromium-based) Elevation of Privilege 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）中存在授权机制缺陷，允许已获授权的攻击者在本地提升权限。

CVSS 4.4 · Medium Updated Oct 31, 2026

Possible ATT&CK Techniques 1 AI

T1548.001 · Setuid and Setgid

Affected Version Matrix 1

Vendor	Product	Version Range	Status
Microsoft	Microsoft Edge (Chromium-based)	`1.0.0.0< 152.0.4191.53`	affected

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Vulnerability Information

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Vulnerability Title

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Source: CVE Program / CVE List V5

Vulnerability Description

Incorrect authorization in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges locally.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

授权机制不正确

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
Microsoft	Microsoft Edge (Chromium-based)	1.0.0.0 ~ 152.0.4191.53	-

II. Public POCs for CVE-2026-69446

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2026-69446

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Other References for CVE-2026-69446 (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69446 vendor-advisory patch

https://www.cve.org/CVERecord?id=CVE-2026-69446

IV. Related Vulnerabilities

Same product: Microsoft Edge (Chromium-based)

Same vendor: Microsoft

Same weakness: CWE-863