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Google Chrome CVE-2026-11633

| EUVD-2026-35233 HIGH
Use After Free (CWE-416)
2026-06-09 chrome-cve-admin@google.com GHSA-q8r9-522f-rhg7
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SUSE
CRITICAL
qualitative
Red Hat
8.8 HIGH
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Jun 09, 2026 - 02:55 vuln.today
CVSS changed
Jun 09, 2026 - 01:22 NVD
8.8 (HIGH)
CVE Published
Jun 09, 2026 - 00:16 nvd
HIGH 8.8
CVE Published
Jun 09, 2026 - 00:16 nvd
UNKNOWN (no severity yet)

DescriptionCVE.org

Use after free in Bluetooth in Google Chrome on Mac prior to 149.0.7827.103 allowed a remote attacker to execute arbitrary code via a malicious peripheral. (Chromium security severity: Critical)

AnalysisAI

Remote code execution in Google Chrome on macOS prior to 149.0.7827.103 stems from a use-after-free condition in the browser's Bluetooth subsystem, rated Critical by Chromium's internal severity scale and CVSS 8.8 by NVD. A remote attacker operating a malicious Bluetooth peripheral can trigger memory corruption to execute arbitrary code in the browser process after the victim performs minimal interaction. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Recon
Lure macOS Chrome user to malicious page
Delivery
Page invokes navigator.bluetooth.requestDevice
Exploit
Victim selects malicious peripheral in chooser
Install
Peripheral returns crafted GATT responses
C2
Trigger use-after-free in Bluetooth stack
Execute
Reclaim freed slot with attacker data
Impact
Execute arbitrary code in Chrome process

Vulnerability AssessmentAI

Exploitation Exploitation requires that the victim run Google Chrome on macOS at a version below 149.0.7827.103, that the victim grant Web Bluetooth access to attacker-controlled content (UI:R in the CVSS vector - the chooser dialog and pairing approval are user-driven), and that an attacker-controlled Bluetooth peripheral be reachable to the victim's machine, either physically within BLE range or via an emulated peripheral exposed through a compromised local agent. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H supports a high severity reading: network attack vector, low complexity, no privileges required, but user interaction is required (UI:R) - almost certainly the victim must grant Bluetooth pairing/permission to a malicious peripheral or visit a malicious page that initiates the Web Bluetooth chooser. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts a malicious page that calls navigator.bluetooth.requestDevice() and lures a macOS Chrome user into selecting an attacker-controlled peripheral (or a peripheral that impersonates an expected device) from the chooser dialog. Once paired, the malicious peripheral returns crafted GATT responses that drive the vulnerable code path in Chrome's Bluetooth handling, freeing an object while a dangling reference remains, then reclaiming the slot to hijack a virtual call and execute code in the renderer or browser process. …
Remediation Vendor-released patch: Google Chrome 149.0.7827.103 for macOS - upgrade immediately via the Chrome Stable channel by relaunching the browser or pushing the update through MDM/enterprise management (see https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Audit all macOS systems running Chrome and confirm MDM/auto-update coverage status; create deployment plan for Chrome 149.0.7827.103 and later. …

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Vendor StatusVendor

SUSE

Severity: Critical
Product Status
openSUSE Leap 16.0 Fixed
openSUSE Tumbleweed Fixed

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CVE-2026-11633 vulnerability details – vuln.today

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