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High

Use-after-free in Bluetooth in Google Chrome on Mac

IdentifiersCVE-2026-11699CWE-416· Use After Free

CVE-2026-11699 is a high-severity use-after-free vulnerability in the Bluetooth component of Google Chrome affecting Mac systems prior to version 149.0.7827.103. According to the provided record, a remote attacker can trigger the flaw via a crafted HTML page, leading to heap corruption. The issue is classified as CWE-416. While the specific vulnerable function is not identified in the provided material, the bug is described as a memory-lifetime error in Chrome's Bluetooth handling on macOS.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can cause heap corruption in the browser process. Based on the provided CVSS v3.1 vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), the vulnerability may result in high impact to confidentiality, integrity, and availability. In practical terms, exploitation could potentially enable remote code execution or other serious compromise within the Chrome browser context on affected Mac systems.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure by limiting use of untrusted or attacker-controlled web content in Chrome on affected Mac systems, since exploitation requires delivery through a crafted HTML page. However, no complete mitigation is provided in the supplied content; upgrading to a fixed version is the recommended corrective action.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome on Mac to version 149.0.7827.103 or later, as the vulnerability affects versions prior to 149.0.7827.103.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
GoogleChromeapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

6 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity4

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-11699
NVD
nvd.nist.gov/vuln/detail/CVE-2026-11699
MITRE CWE · CWE-416
Use After Free
chromereleases.googleblog.com
chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html
issues.chromium.org
issues.chromium.org/issues/518237527