Google Chrome up to 148.0.7778.216 on macOS WebML uninitialized variable

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$5k-$25k0.64

Summaryinfo

A vulnerability marked as critical has been reported in Google Chrome on macOS. Impacted is an unknown function of the component WebML. This manipulation causes uninitialized variable. The identification of this vulnerability is CVE-2026-11033. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Google Chrome on macOS. Affected by this vulnerability is an unknown code of the component WebML. The manipulation with an unknown input leads to a uninitialized variable vulnerability. The CWE definition for the vulnerability is CWE-457. The code uses a variable that has not been initialized, leading to unpredictable or unintended results. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Uninitialized Use in WebML in Google Chrome on Mac prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)

It is possible to read the advisory at chromereleases.googleblog.com. This vulnerability is known as CVE-2026-11033 since 06/04/2026. 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. 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 06/09/2026).

Upgrading to version 149.0.7827.53 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1794). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Google Chrome
  • Microsoft Edge

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

ADP CISA Base Score: 6.5
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Uninitialized variable
CWE: CWE-457 / CWE-453
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 149.0.7827.53

Timelineinfo

06/04/2026 CVE reserved
06/05/2026 +1 days Advisory disclosed
06/05/2026 +0 days VulDB entry created
06/09/2026 +4 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: 497926
Status: Confirmed

CVE: CVE-2026-11033 (🔒)
GCVE (CVE): GCVE-0-2026-11033
GCVE (VulDB): GCVE-100-368659
CERT Bund: WID-SEC-2026-1794 - Google Chrome und Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 06/05/2026 07:20
Updated: 06/09/2026 16:42
Changes: 06/05/2026 07:20 (58), 06/08/2026 03:34 (7), 06/09/2026 16:42 (11)
Complete: 🔍
Cache ID: 216::103

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

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