Google Chrome up to 147.0.7727.117 WebRTC use after free

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.
6.0$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome. This affects an unknown part of the component WebRTC. The manipulation leads to use after free. This vulnerability is referenced as CVE-2026-7336. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Chrome. This issue affects some unknown processing of the component WebRTC. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Use after free in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

The advisory is shared at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2026-7336 since 04/28/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 04/30/2026).

The vulnerability scanner Nessus provides a plugin with the ID 310942 (Linux Distros Unpatched Vulnerability : CVE-2026-7336), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 147.0.7727.138 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (310942), EUVD (EUVD-2026-26162) and CERT Bund (WID-SEC-2026-1304). 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: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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: 310942
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-7336

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 147.0.7727.138

Timelineinfo

04/28/2026 CVE reserved
04/29/2026 +1 days Advisory disclosed
04/29/2026 +0 days VulDB entry created
04/30/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 500767
Status: Confirmed

CVE: CVE-2026-7336 (🔒)
GCVE (CVE): GCVE-0-2026-7336
GCVE (VulDB): GCVE-100-360065
EUVD: 🔒
CERT Bund: WID-SEC-2026-1304 - Google Chrome: Mehrere Schwachstellen

Entryinfo

Created: 04/29/2026 05:45
Updated: 04/30/2026 03:47
Changes: 04/29/2026 05:45 (58), 04/29/2026 11:16 (1), 04/29/2026 15:09 (7), 04/30/2026 03:47 (2)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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