Google Chrome up to 146.0.7680.153 Fonts external control of assumed-immutable web parameter

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4$5k-$25k0.74

Summaryinfo

A vulnerability has been found in Google Chrome and classified as critical. Impacted is an unknown function of the component Fonts. This manipulation causes external control of assumed-immutable web parameter. This vulnerability is handled as CVE-2026-4679. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome. Affected by this vulnerability is an unknown part of the component Fonts. The manipulation with an unknown input leads to a external control of assumed-immutable web parameter vulnerability. The CWE definition for the vulnerability is CWE-472. The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally controllable, such as hidden form fields. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in Fonts in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: High)

The advisory is shared at chromereleases.googleblog.com. This vulnerability is known as CVE-2026-4679 since 03/23/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 03/28/2026).

The vulnerability scanner Nessus provides a plugin with the ID 303465 (Linux Distros Unpatched Vulnerability : CVE-2026-4679), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 146.0.7680.165 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (303465), EUVD (EUVD-2026-14686) and CERT Bund (WID-SEC-2026-0837). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Google Chrome

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 8.8
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: External control of assumed-immutable web parameter
CWE: CWE-472
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 303465
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-4679

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 146.0.7680.165

Timelineinfo

03/23/2026 CVE reserved
03/24/2026 +1 days Advisory disclosed
03/24/2026 +0 days VulDB entry created
03/28/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 491516
Status: Confirmed

CVE: CVE-2026-4679 (🔒)
GCVE (CVE): GCVE-0-2026-4679
GCVE (VulDB): GCVE-100-352621
EUVD: 🔒
CERT Bund: WID-SEC-2026-0837 - Google Chrome: Mehrere Schwachstellen

Entryinfo

Created: 03/24/2026 02:43
Updated: 03/28/2026 10:30
Changes: 03/24/2026 02:43 (57), 03/24/2026 07:11 (1), 03/24/2026 14:55 (7), 03/25/2026 03:44 (2), 03/28/2026 10:30 (12)
Complete: 🔍
Cache ID: 216:A9E:103

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