Google Chrome up to 146.0.7680.153 WebAudio heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Google Chrome. The affected element is an unknown function of the component WebAudio. The manipulation results in heap-based overflow. This vulnerability was named CVE-2026-4673. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Chrome. Affected is some unknown functionality of the component WebAudio. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Heap buffer overflow in WebAudio 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 available at chromereleases.googleblog.com. This vulnerability is traded as CVE-2026-4673 since 03/23/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 303387 (Google Chrome < 146.0.7680.164 Multiple Vulnerabilities), 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-202603-4363), Tenable (303387) and CERT Bund (WID-SEC-2026-0837). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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: Heap-based overflow
CWE: CWE-122 / CWE-119
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: 303387
Nessus Name: Google Chrome < 146.0.7680.164 Multiple Vulnerabilities

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: 485397
Status: Confirmed

CVE: CVE-2026-4673 (🔒)
GCVE (CVE): GCVE-0-2026-4673
GCVE (VulDB): GCVE-100-352578
CERT Bund: WID-SEC-2026-0837 - Google Chrome: Mehrere Schwachstellen
CNNVD: CNNVD-202603-4363 - Google Chrome 安全漏洞

Entryinfo

Created: 03/24/2026 02:26
Updated: 03/28/2026 10:30
Changes: 03/24/2026 02:26 (58), 03/24/2026 06:57 (2), 03/24/2026 14:55 (7), 03/24/2026 16:29 (6), 03/28/2026 10:30 (12)
Complete: 🔍
Cache ID: 216:F26:103

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