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High

Out-of-bounds memory access in Google Chrome LiveCaption

IdentifiersCVE-2026-11301CWE-125· Out-of-bounds Read

CVE-2026-11301 is an inappropriate implementation flaw in the LiveCaption component of Google Chrome affecting versions prior to 149.0.7827.53. According to the provided content, a remote attacker can potentially trigger out-of-bounds memory access via malicious network traffic. The available references and advisory context classify the issue as an out-of-bounds read / memory access condition in Chromium-based browsers. No specific vulnerable function or code path was provided in the supplied material.

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ANALYST BRIEF

Impact, mitigation & remediation

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Impact

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

Successful exploitation could cause unintended out-of-bounds memory access in the LiveCaption component. Based on the provided CVSS vector (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), the potential impact may include exposure of sensitive memory contents, browser instability, crashes, and possibly broader compromise of confidentiality, integrity, and availability, although the supplied content does not include a vendor-confirmed exploitation narrative beyond the memory access condition.

Mitigation

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

No specific workaround or temporary mitigation was provided in the supplied advisories. Where immediate patching is not possible, reduce exposure by limiting use of vulnerable browser versions and restricting untrusted web/network content, but the primary mitigation is to apply the vendor updates.

Remediation

Patch, then assume compromise.

Upgrade Google Chrome to version 149.0.7827.53 or later. For Microsoft Edge (Chromium-based), update to version 149.0.4022.52 or later, which incorporates the upstream Chromium fix. For Debian chromium packages, upgrade to the fixed distribution versions identified in the advisory: 149.0.7827.53-1~deb12u1 for bookworm and 149.0.7827.53-1~deb13u1 for trixie.
PUBLIC EXPLOITS

Exploits

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VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

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VendorProductType
GoogleChromeapplication

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What this page doesn’t show

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Threat actor evidence

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Associated malware

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Detection signatures

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Vendor-by-vendor mapping

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Social activity4

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