9.6 Critical

CVE-2026-121131 Use after free in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering…

Description

Use after free in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)

CVSS 3.1 detail

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploitable remotely over the network, without an account and if a user takes an action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector: Network
Attack complexity: Low
Privileges required: None
Interaction: Required
Scope: Changed
Confidentiality: High
Integrity: High
Availability: High

Affected products and versions

Product	Affected versions	Fixed in
Chrome 157.0	earliest → < 157.0.8103.38	157.0.8103.38

References

chromereleases.googleblog.com chromereleases.googleblog.com
issues.chromium.org issues.chromium.org

Timeline

Published November 3, 2026
Last modified November 4, 2026

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