CVE-2026-17821

Insufficient policy enforcement in Extensions in Google Chrome prior to 151.0.7922.72 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: Medium)

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html	Release Notes Vendor Advisory
https://issues.chromium.org/issues/517597914	Permissions Required

Configurations

Configuration 1 (hide)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

History

03 Aug 2026, 17:41

Type	Values Removed	Values Added
First Time		Google chrome Google
References	~~() https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html -~~	() https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html - Release Notes, Vendor Advisory
References	~~() https://issues.chromium.org/issues/517597914 -~~	() https://issues.chromium.org/issues/517597914 - Permissions Required
CPE		cpe:2.3:a:google:chrome::::::::

31 Jul 2026, 16:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
CWE		CWE-602

30 Jul 2026, 01:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-30 01:16

Updated : 2026-08-03 17:41

NVD link : CVE-2026-17821

Mitre link : CVE-2026-17821

CVE.ORG link : CVE-2026-17821

JSON object : View

Products Affected

google

chrome

CWE

CWE-602

Client-Side Enforcement of Server-Side Security

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