CVE-2026-79121 - Improper input validation in Chromecast in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page

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HIGH

Improper input validation in Chromecast in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page

Published Aug 25, 2026

8.3

HIGH

CVSS 3.1

EPSS 0.43%

Description

Improper input validation in Chromecast in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Affected products

Vendor Google Product Chrome Default
n/a
- Version
  152.0.7977.65
  Status
  affected
  Constraints
  <152.0.7977.65

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Chrome

n/a

Version	Status	Constraints
152.0.7977.65	affected	<152.0.7977.65

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-20

Improper Input Validation

References (3)

https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html
Release NotesVendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-65966
Advisory
https://issues.chromium.org/issues/516777082
Permissions Required

Link	Providers	Tags
https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html		Release NotesVendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-65966		Advisory
https://issues.chromium.org/issues/516777082		Permissions Required