CVE-2025-12431

MEDIUM6.5

Inappropriate implementation in Extensions in Google Chrome prior to 142

Published Nov 10, 2025

Modified 2 months ago

Fix available

Details

Inappropriate implementation in Extensions in Google Chrome prior to 142.0.7444.59 allowed an attacker who convinced a user to install a malicious extension to bypass navigation restrictions via a crafted Chrome Extension. (Chromium security severity: High)

Affected Packages

Google Chrome

Windows 10 (1507)Windows 10 (1607) / Server 2016Windows 10 (1809) / Server 2019Windows 10 (1903)Windows 10 (1909)

Fixed in:

142.0.7444.59

References

WEBhttps://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html WEBhttps://issues.chromium.org/issues/436887350 ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2025-12431

CVSS Analysis

CVSS v3.1

6.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

LowC:L

Integrity

LowI:L

Availability

NoneA:N

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

Ecosystems(20)

Windows 10 (1507)Windows 10 (1607) / Server 2016 Windows 10 (1809) / Server 2019 Windows 10 (1903)Windows 10 (1909)

Timeline

PublishedNov 10, 2025

ModifiedNov 12, 2025

CVE-2025-12431 | Mondoo Vulnerability Intelligence