Google Chrome up to 146.0.7680.178 Media use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$5k-$25k0.19

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome. Affected by this vulnerability is an unknown functionality of the component Media. The manipulation leads to use after free. This vulnerability is documented as CVE-2026-5866. The attack can be initiated remotely. There is not any exploit 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 Media. 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 Media in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)

It is possible to read the advisory at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2026-5866 since 04/08/2026. 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. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/11/2026).

Upgrading to version 147.0.7727.55 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1030). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Fedora Linux
  • Microsoft Edge
  • 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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💳💳💳💳💳💳
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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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 147.0.7727.55

Timelineinfo

04/08/2026 CVE reserved
04/09/2026 +1 days Advisory disclosed
04/09/2026 +0 days VulDB entry created
04/11/2026 +2 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 492218
Status: Confirmed

CVE: CVE-2026-5866 (🔒)
GCVE (CVE): GCVE-0-2026-5866
GCVE (VulDB): GCVE-100-356411
CERT Bund: WID-SEC-2026-1030 - Google Chrome und Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 04/09/2026 02:22
Updated: 04/11/2026 03:27
Changes: 04/09/2026 02:22 (58), 04/10/2026 04:23 (7), 04/11/2026 03:27 (1)
Complete: 🔍
Cache ID: 216:976:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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