Critical

Out-of-bounds Read in Google Chrome Web Speech

IdentifiersCVE-2026-3916CWE-125· Out-of-bounds Read

CVE-2026-3916 is a high-severity out-of-bounds read vulnerability in the Web Speech component of Google Chrome. According to the provided content, the issue affects Google Chrome prior to version 146.0.7680.71 and can be triggered by a remote attacker using a crafted HTML page. The vendor notes that successful exploitation could potentially result in a sandbox escape. No further technical details about the specific vulnerable function, code path, or memory access conditions are provided in the available content.

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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 may allow a remote attacker to leverage an out-of-bounds read in Chrome’s Web Speech component to potentially achieve a sandbox escape. This could enable compromise beyond the browser’s normal renderer sandbox boundary, increasing the risk of broader system impact. The provided content does not specify whether code execution, information disclosure, or additional primitives are directly obtained from the out-of-bounds read itself.

Mitigation

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

If immediate patching is not possible, reduce exposure by limiting use of untrusted web content and restricting access to potentially malicious HTML pages until the update can be applied. Because the issue is triggered via crafted web content in Chrome’s Web Speech component, standard temporary mitigations include minimizing browser exposure and prioritizing rapid deployment of the vendor update. The provided content does not mention any feature-specific workaround or configuration-based mitigation.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 146.0.7680.71 or later on Linux, or to 146.0.7680.71/72 or later on Windows and macOS, as referenced in the provided content. Applying the vendor-supplied stable channel update and restarting the browser is the stated remediation.

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

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

5 SOURCESView more in app

cyber security newsNews

Mar 12, 2026

Chrome Security Update - Patch for 29 Vulnerabilities that Allows Remote Code Execution

High-severity out-of-bounds read vulnerability in Chrome’s Web Speech component.

What this page doesn’t show

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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 activity3