Google Chrome up to 146.0.7680.153 WebAudio out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
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.
6.4$5k-$25k0.00

Summaryinfo

A vulnerability classified as problematic was found in Google Chrome. This affects an unknown part of the component WebAudio. Executing a manipulation can lead to out-of-bounds. This vulnerability appears as CVE-2026-4677. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Google Chrome. It has been declared as problematic. This vulnerability affects an unknown function of the component WebAudio. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

Inappropriate implementation in WebAudio in Google Chrome prior to 146.0.7680.165 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page. (Chromium security severity: High)

The advisory is available at chromereleases.googleblog.com. This vulnerability was named CVE-2026-4677 since 03/23/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/28/2026).

The vulnerability scanner Nessus provides a plugin with the ID 303464 (Linux Distros Unpatched Vulnerability : CVE-2026-4677), 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 CNNVD (CNNVD-202603-4356), Tenable (303464), EUVD (EUVD-2026-14683) and CERT Bund (WID-SEC-2026-0837). Once again VulDB remains the best source for 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: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
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Nessus ID: 303464
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-4677

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: 490533
Status: Confirmed

CVE: CVE-2026-4677 (🔒)
GCVE (CVE): GCVE-0-2026-4677
GCVE (VulDB): GCVE-100-352618
EUVD: 🔒
CERT Bund: WID-SEC-2026-0837 - Google Chrome: Mehrere Schwachstellen
CNNVD: CNNVD-202603-4356 - Google Chrome 安全漏洞

Entryinfo

Created: 03/24/2026 02:42
Updated: 03/28/2026 10:30
Changes: 03/24/2026 02:42 (58), 03/24/2026 07:11 (1), 03/24/2026 14:55 (7), 03/25/2026 01:24 (6), 03/25/2026 03:44 (2), 03/28/2026 10:30 (12)
Complete: 🔍
Cache ID: 216:7AB:103

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