Use after free in Layout in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

What fixes it

• 156.0.8078.73ChromeCVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Reports 1

1 outlet mention it. Reports are not confirmation; each links to its source.

• @offseq.bsky.social: CRITICAL use-after-free in Google Chrome (CVE-2026-118344): Remote code exec possible on versions before 156.0.8078.73. Update ASAP. https://radar.offseq.com/threat/cve-2026-118344Bluesky: CVE posts, 28 Oct 2026

Affected versions 1

• Chromeaffected: 156.0.8078.73 before 156.0.8078.73CVE List

References 2

• chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_0562499947.htmlReferencevia CVE List
• issues.chromium.org/issues/574852698Referencevia CVE List