Google Chrome up to 148.0.7778.96 on Windows IFrame Sandbox access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Google Chrome on Windows. This affects an unknown function of the component IFrame Sandbox. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2026-8563. The attack can be launched remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome on Windows. This vulnerability affects an unknown function of the component IFrame Sandbox. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Insufficient policy enforcement in IFrame Sandbox in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to bypass navigation restrictions via a crafted HTML page. (Chromium security severity: Medium)

The advisory is available at chromereleases.googleblog.com. This vulnerability was named CVE-2026-8563 since 05/14/2026. 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 05/19/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 314862 (Linux Distros Unpatched Vulnerability : CVE-2026-8563), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 148.0.7778.168 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (314862) and CERT Bund (WID-SEC-2026-1542). If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 5.3
VulDB Meta Temp Score: 5.2

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

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: Access control
CWE: CWE-284 / CWE-266
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: 314862
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-8563

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 148.0.7778.168

Timelineinfo

05/14/2026 CVE reserved
05/15/2026 +1 days Advisory disclosed
05/15/2026 +0 days VulDB entry created
05/19/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 400612
Status: Confirmed

CVE: CVE-2026-8563 (🔒)
GCVE (CVE): GCVE-0-2026-8563
GCVE (VulDB): GCVE-100-364042
CERT Bund: WID-SEC-2026-1542 - Google Chrome: Mehrere Schwachstellen

Entryinfo

Created: 05/15/2026 04:34
Updated: 05/19/2026 14:23
Changes: 05/15/2026 04:34 (59), 05/15/2026 15:10 (2), 05/17/2026 00:25 (7), 05/19/2026 14:23 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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