Google Chrome up to 145.0.7632.159 DevTools Remote Code Execution

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 (≈)
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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.
5.2$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Google Chrome. This vulnerability affects unknown code of the component DevTools. This manipulation causes Remote Code Execution. This vulnerability is tracked as CVE-2026-3940. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Google Chrome and classified as critical. Affected by this vulnerability is an unknown functionality of the component DevTools. The manipulation with an unknown input leads to a remote code execution vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Insufficient policy enforcement in DevTools in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Low)

The advisory is shared at chromereleases.googleblog.com. This vulnerability is known as CVE-2026-3940 since 03/11/2026. 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 03/17/2026).

The vulnerability scanner Nessus provides a plugin with the ID 302246 (Fedora 43 : chromium (2026-0dc0c88f83)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 146.0.7680.71 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (302246) and CERT Bund (WID-SEC-2026-0702). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Debian Linux
  • Fedora Linux
  • 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: 5.3
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 5.3
NVD Vector: 🔒

ADP CISA Base Score: 4.3
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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: 302246
Nessus Name: Fedora 43 : chromium (2026-0dc0c88f83)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 146.0.7680.71

Timelineinfo

03/11/2026 CVE reserved
03/12/2026 +1 days Advisory disclosed
03/12/2026 +0 days VulDB entry created
03/17/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 470574
Status: Confirmed

CVE: CVE-2026-3940 (🔒)
GCVE (CVE): GCVE-0-2026-3940
GCVE (VulDB): GCVE-100-350617
CERT Bund: WID-SEC-2026-0702 - Google Chrome: Mehrere Schwachstellen

Entryinfo

Created: 03/12/2026 04:56
Updated: 03/17/2026 05:56
Changes: 03/12/2026 04:56 (56), 03/13/2026 23:28 (7), 03/15/2026 19:27 (2), 03/17/2026 05:56 (21)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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